Introduction
Choose among IP65, IP67, and high-pressure washdown ratings by documenting the actual cleaning method, credible immersion risk, chemical exposure, temperature, connectors, and maintenance conditions. An IP code is evidence about enclosure resistance under a defined test; it is not proof of chemical compatibility, hygiene suitability, or service life.
IP67 addresses temporary immersion under stated test conditions. High-pressure, high-temperature jet testing may be described as IP69 or IP69K depending on the cited standard and edition, so an RFQ should require the exact standard, clause, test parameters, tested model, and dated report rather than relying on the label alone.
Use the decision matrix and RFQ checklist below to create a project-specific evidence package. For any OLAMLED model, including K70, the applicable ratings and washdown limits require confirmation against current model-level documentation. Submit one package containing the operating environment and washdown process for engineering review, sample/data requirements, and quotation.
Tubular Lights Selection Key Takeaways
- Match the enclosure test evidence to the actual spray, immersion, temperature, and cleaning cycle.
- Do not treat IP67 and high-pressure washdown ratings as interchangeable.
- Ask which standard, edition, clause, specimen, connectors, and accessories were tested.
- An IP result does not establish resistance to detergents, sanitizers, steam cycles, corrosion, or gasket aging.
- Require material compatibility and installation evidence separately from the IP report.
- Put all verification items in one RFQ package and obtain engineering confirmation before approval.
- Use one next step: submit the washdown profile for review, sample/data requirements, and quotation.
What Does The IP Code Mean For Washdown Lighting?
IEC 60529 defines the enclosure IP code: the first digit addresses protection against solid objects and dust, while the second digit addresses water ingress under a specified test. A first digit of 6 means dust-tight under the referenced test, but this alone does not establish suitability for a hygienic or food-processing zone.
Use the water code as an evidence category, not as a universal application label:
- IP65: water-jet resistance under the applicable IEC test. Confirm the report’s nozzle, flow, duration, orientation, and tested accessories.
- IP67: temporary immersion resistance under the report’s stated depth and duration. It does not imply continuous submersion.
- High-pressure, high-temperature jet rating: nomenclature may appear as IP69 or IP69K depending on the standard and edition cited. Require the exact standard, clause, pressure, temperature, distance, angles, duration, and tested specimen.
None of these ratings establishes resistance to caustic cleaners, sanitizers, solvents, steam cycling, corrosion, or gasket aging. Request separate compatibility evidence for the actual chemicals and temperatures. OLAMLED’s LED tubular light category can be used to identify candidate constructions, but every product-specific rating or material claim requires confirmation against current model-level documentation.
Submit the operating environment and washdown process for engineering review before approving a fixture.
How Do IP65 IP67 And IP69K Tests Differ In Practice?
Ingress Protection (IP) ratings address different hazards; IP67 immersion and IP69K hot, pressurized washdown tests target distinct attack mechanisms and are not interchangeable. We recommend choosing the rating that matches the dominant hazard rather than the numerically highest rating, which is the core of IP65 vs IP67 vs IP69K decisions.
Ingress Protection (IP) test focus differs by exposure type and severity. The essential test parameters and what they protect against are:
- IP65: Protects against dust and low-pressure water jets and is appropriate for routine low-pressure cleaning and splash exposure.
- IP67: Validates temporary water immersion by submersion from 15 cm to 1 m for 30 minutes and covers short-term flooding or temporary water immersion but not pressurized washdown.
- IP69K: Designed for high-pressure high-temperature water jets and hot, pressurized washdowns; the test applies 100 bar at 80°C at multiple angles for short intervals to reproduce industrial steam and spray cleaning conditions.
Match the cleaning process to the rating when specifying fixtures:
- Routine spray-downs: IP65 for low-pressure cleaning.
- Short-term flooding or immersion risk: IP67 for temporary water immersion.
- CIP, COP, HACCP, or processes using pressurized steam or high pressure cleaning: IP69K for verified resistance to thermal and hydraulic attack.
Procurement checklist we recommend requesting from suppliers:
- Test reports: Specific immersion certificates and DIN/EN or equivalent washdown test reports.
- Material and sealing details: Seal compounds, coextruded polycarbonate/PMMA housings, and stainless steel end caps (304L or 316L).
- Maintainability and ingress risks: Gasket design, insect-entry resistance, and service access for gasket replacement.
We verify both immersion certificates and washdown reports for mixed-hazard projects and will evaluate which hazard governs your specification. For model-level guidance see the K70 series product page: K70 series. For broader product options consult our tubular light category: tubular light category.
When you provide the operating environment and washdown process we will perform an engineering review, prepare a sample plan, and confirm the specification checklist.
What Are The Test Parameters And Limits?
Treat published test conditions as a reference framework and the model-specific report as the approval evidence. Do not copy a generic number into a specification without confirming the standard, edition, clause, specimen, connectors, mounting orientation, and pass criteria.
For each candidate, request a report that states:
- Standard and clause: for example, the applicable part of IEC 60529 for the claimed IP code, plus any separate standard used for high-pressure, high-temperature jet testing.
- Water-jet setup: nozzle type, flow, pressure, distance, angles, duration, and orientation.
- Immersion setup: depth, duration, water temperature, mounting orientation, and any preconditioning.
- Test specimen: exact model, production revision, housing, gasket, connector, cable gland, end caps, and accessories.
- Pass criteria and result: ingress findings, inspection method, laboratory, report date, and traceable report number.
IP65, IP67, and high-pressure washdown tests answer different questions. A jet result does not prove immersion resistance, and an immersion result does not prove resistance to close-range hot jets. Likewise, none of them proves chemical or thermal-cycle durability.
The OLAMLED K70 tubular light is a candidate for combined-rating discussion. Before specification, request current model-level evidence and confirm that the tested configuration matches the proposed connectors and accessories. Product-specific limits require engineering confirmation.
What Do These Tests Not Cover For Food Washdown?
Ingress tests address solids and water under defined conditions. They do not establish suitability for food-washdown chemistry, repeated thermal cycling, mechanical abuse, corrosion, or long-term seal life.
Request separate evidence for:
- Chemical compatibility: the actual detergent or sanitizer, concentration, pH, contact time, temperature, rinse method, and the tested housing, gasket, lens, coating, and metal grades.
- Thermal cycling: repeated heating and cooling that reflects the site’s cleaning schedule, with post-cycle ingress inspection.
- Mechanical exposure: impact, abrasion, vibration, hose contact, and mounting loads where relevant.
- Seal aging and service: compression-set or aging evidence, replacement parts, torque instructions, cable-entry procedure, and inspection interval.
- Hygiene requirements: cleanability, geometry, material declarations, and any project-required compliance documents evaluated separately from the IP report.
Convert unsupported assumptions into supplier questions. For example: Which exact materials were exposed? Which chemicals and concentrations were tested? Were the production connectors and cable glands installed? What changed after repeated cycles?
Submit the operating environment and washdown process in one RFQ package for engineering review, sample/data requirements, and quotation.
How Should We Map Real Washdown Conditions To IP Ratings?
Map the site exposure to the evidence required; do not assign a rating from the application name alone.
- Routine spray or hose cleaning without immersion: evaluate an IP65 candidate, then compare the site’s pressure, flow, distance, angle, duration, and frequency with the model-specific report.
- Credible temporary immersion or flooding: evaluate an IP67 candidate and require the tested depth, duration, orientation, connectors, and accessories.
- Routine close-range high-pressure, high-temperature cleaning: evaluate a product carrying the applicable high-pressure washdown rating and require the exact standard, edition, clause, pressure, temperature, angles, duration, and specimen.
- Chemical, solvent, ammonia, sulfur-vapor, or corrosive exposure: assess material compatibility separately. An IP code does not select PC, PMMA, stainless grade, gasket compound, coating, or cable gland.
Send suppliers the measured or worst-case cleaning conditions and request:
- A dated report for the exact proposed configuration.
- A bill of materials identifying housing, lens, end caps, gasket, connectors, and glands.
- Compatibility evidence for each named chemical, concentration, temperature, and contact time.
- Installation instructions that preserve the tested enclosure.
- A list of assumptions and items requiring engineering confirmation.
OLAMLED category pages may help shortlist candidate constructions, but suitability for ammonia, sulfur vapors, solvents, sanitizers, or repeated thermal cycles must be confirmed for the specific project. Submit the complete washdown profile before sample approval.
How Do Chemical Exposure And Temperature Affect Material Choice?
We specify materials and seals by the cleaning chemistry and temperature cycles the fixture will face rather than by IP number alone. For projects with chlorine, acids, ammonia, or sulfur vapors, specify material and seal compatibility checks before selection. If stainless steel is proposed, ask the supplier to show the exact grade and the test evidence for the expected washdown cycle.
Translate cleaning chemistry and thermal cycling into component requirements as follows:
- Stainless parts and mounting: Use 304L or 316L stainless steel where direct chemical contact or condensate is expected. Specify surface finish, passivation, and fastener grade on manufacturing drawings so corrosion resistance is verifiable.
- Gaskets and seals: Prefer peroxide- or high-temperature-grade silicone that retains elasticity to about 80°C. Include cross-section drawings showing gland compression geometry, target compression-set limits, compatible O-ring compound, and a maintenance or replacement interval tied to chemical concentration and clean-cycle frequency.
- Diffusers and housings: Choose co-extruded polycarbonate when higher IK impact resistance and solvent tolerance are priorities, or UV-stabilized PMMA when optical clarity is critical. Require supplier solvent-immersion, detergent-soak, and accelerated-UV test reports before approval.
- Cable entries and thermal management: Specify stainless-steel or chemical-resistant polymer waterproof cable glands with compatible O-rings, IP-rated thread sealing, and defined strain relief. Define controlled housing clearance and prefer single-piece or co-extruded housings so thermal expansion during repeated cold-to-80°C cycles does not overstress seals and fastenings.
Request the OLAMLED tubular light product page for full construction options, test data, and verification documents: tubular light product page.
How Should Installation And Maintainability Preserve IP In Service?
We require installation and service practices that preserve the tested ingress protection and deliver a verifiable handover to procurement and engineering.
Specify the target ingress protection at handover under IEC 60529 and, where relevant, DIN 40050-9, and include the acceptance wash protocol used for the rating (for example the 100 bar at 80°C hot-pressure wash test used for IP69K) so the completed installation can be validated. Early in project documents reference the food processing washdown lighting checklist to align sanitary and mechanical requirements with the industrial lighting specification.
Use this inspection and maintenance checklist to preserve IP in service:
- Sealing faces: Ensure mating faces are flat and clean before assembly. Use the manufacturer-specified silicone or elastomer gasket and compress to the documented compression ratio to maintain seals through thermal cycling.
- Fasteners and torque: Tighten end-cap fasteners to the specified torque values and log torque readings after installation and after any rework.
- Housing and materials: Prefer single-piece housings and specify 304L or 316L stainless end caps with coextruded polycarbonate/PMMA bodies to limit distortion and support corrosion-resistant luminaires.
- Cable entries: Fit rated cable glands sized to conductor outer diameter, add anti-pull strain relief, and use secondary potting or IP-rated boots where glands are exposed.
- Post-service verification: Inspect gasket seating, lens edges, cable glands, and fastener torque after maintenance; run thermal checks on driver and housing, record results, and re-test seals when high-temperature washdown or aggressive chemicals are used.
Record all checks in the lighting procurement checklist and request supplier documentation for IK impact resistance and material chemical compatibility. Provide the operating environment and washdown process as part of any request for engineering review, sample/data, and a quotation.
What Verification And Documentation Should Suppliers Provide?
We require test evidence that proves the declared ingress protection for the exact luminaire configuration rather than relying on marketing labels.
Request the IEC 60529 test report, model identification, test dates, laboratory details, and full test parameters so reviewers can match the report to the quoted fixture and the claimed spray, immersion, or washdown procedure.
For test-detail requests, include these points:
- IP67/IP68 immersion metrics: immersion depth and duration (for example, 1 meter for 30 minutes) so the result can be mapped to site immersion risk.
- IP69K hot‑wash parameters: pressure (e.g., 100 bar), temperature (e.g., 80°C), angles, and per‑angle durations; compare each value to the project washdown regimen and flag mismatches as requiring engineering confirmation.
- Test specimen linkage: laboratory report must show specimen serial numbers and a parts list to prove the tested unit matches the quoted product and accessories.
Gather model‑level traceability and build documentation: a complete parts list with lens, driver, and terminal‑block SKUs; gasket, end‑cap, and cable‑entry drawings; and a serial/model mapping that ties the test specimen to the delivered configuration.
Obtain construction and material declarations that list housing material (coextruded polycarbonate or PMMA), gasket compound, sealing method (one‑piece housing, potting), and IK impact rating, plus corrosion‑resistant options such as stainless steel 304L or 316L for agri‑food environments. Include insect‑intrusion mitigation where site pests are a concern.
Collect conformity and origin paperwork: a Conformité Européenne (CE) conformity statement citing exact directives and modules, a ROHS declaration listing restricted substances and test methods, the manufacturing country and factory, and third‑party test‑lab accreditation.
Use these documents to populate a lighting procurement checklist and complete an industrial specification, and then send the operating environment and washdown process so we can run engineering review, sample testing, and quotation.
For broader product options and category-level information, include the tubular light category link with your RFQ package.
How Do We Write An RFQ And Documentation Checklist For Washdown?
We provide a procurement-ready RFQ checklist that captures quantified washdown conditions, installation constraints, electrical and maintenance expectations, and the supplier evidence needed for an engineering review.
Start the RFQ with the site washdown temperature, spray pressure, cleaning frequency, and chemical list. Ask vendors to reference the hot-steam test parameters and to identify the certified test report they rely on.
Include a site-specific immersion and jet-risk statement and request a clear supplier position: declare whether fixtures may be briefly immersed (specify depth and duration, for example up to 1 m for 30 minutes) or will face high-pressure/temperature jets only, and ask the vendor to confirm which IP test and rating apply to each scenario, noting that IP69K does not replace immersion protection.
Provide mechanical, material, and installation constraints as a short list of requirements:
- Mounting method: specify suspension, ceiling, or surface mount and required clearances.
- Dimensions and photometrics: exact lumen/length targets and cable-entry location.
- Service access and weight: required service clearance and handling limits.
- Mechanical evidence: request CAD/DWG, IK impact resistance documentation, and IK rating target (for example IK10).
- Materials: list preferred options such as 316L stainless steel or 304L with PC or PMMA housings.
Specify electrical and maintenance items to quote: nominal input range, driver options (DALI), surge tolerance, replaceable-module strategy, recommended gasket replacement interval, MTBF or endurance evidence, and spare-part lead times.
Request supplier deliverables: signed EN 60529 / DIN 40050-9 or equivalent IP test reports, hydraulic/steam test reports at 100 bar and 80°C if claimed, material certificates for 316L stainless steel or specified polymers, wiring and photometric files, a two-page installation/maintenance checklist, and samples or factory witness-test videos.
For product-level alignment, reference the OLAMLED tubular light category and the K70 model when requesting datasheets and samples: tubular light category and K70 series.
Provide the operating-environment description, washdown process, and RFQ package when requesting engineering review, sample testing, and a quotation.
What Vendor Evidence And Templated RFQ Language Should We Use?
We require model-specific evidence and copy-ready RFQ language so procurement and engineering can verify IP65 tubular light, IP67 tubular light, and IP69K tubular light candidates before sample or purchase decisions.
Include this RFQ clause in purchase requests: “Submit factory or third-party test reports and dated photographs for the exact quoted part-number and lens/driver/gasket assembly. Reports must list specimen ID, test date, referenced standard, and the full part-numbered product configuration (lens type, housing material, driver SKU, optical accessory). Attach the final assembly drawing and the product datasheet.”
Ingress testing for IP69K claims must specify parameters and lab accreditation. Request reports that show hot-water high-pressure spray at 80°C and 100 bar (or manufacturer-equivalent 80–100 bar), nozzle distance and angles (0°, 30°, 60°, 90°), and 30 seconds per angle; cite the DIN/EN method and laboratory accreditation when used.
Ask suppliers for mechanical, sealing, and serviceability disclosures that confirm field robustness:
- Gasket: Material, cross-section drawing, recommended replacement interval, and chemical-compatibility verification.
- Cable entry: Cable-gland type, ingress rating, torque specification, and thread-sealing method.
- Hardware and housing: Single-piece housing or endcap-seal detail and stainless-steel grade (304L or 316L where applicable).
Require written warranty boundaries and a chemical-compatibility matrix that lists tested exposures or approved chemicals including ammonia, sulphur/sulfur compounds, solvents, and sanitizers with any excluded concentrations or temperatures.
Require electrical and control confirmation: housing material (PC or PMMA), IK rating if claimed, driver brand and dimming option DALI, thermal-management notes, and LM79/LM80 data or an explicit “requires engineering confirmation” note.
For tubular lighting for washdown environments reference the OLAMLED K70 tubular light and the tubular light category when requesting samples. Provide the operating environment and washdown process together with your submission so we can carry out engineering review, sample/data preparation, and provide a quotation.
How Can A Decision Matrix Help Choose Between IP65 IP67 IP69K?
Choosing an IP rating should start with the actual working environment, not simply the highest number on the specification sheet.
A decision matrix can help project teams compare the required protection against the conditions a lighting fixture will face on site.
| Decision Factor | IP65 | IP67 | IP69K |
|---|---|---|---|
| Main exposure | Water jets and spray | Temporary immersion | High-pressure, high-temperature washdown |
| Water protection to verify | Resistance to specified water jets | Resistance to specified temporary immersion | Resistance to the specified close-range, high-pressure and high-temperature jet test |
| Site information required | Pressure, flow, distance, angle, duration and frequency | Water depth, duration, orientation and frequency | Pressure, temperature, distance, spray angles, duration and frequency |
| Chemical exposure | Requires separate evaluation | Requires separate evaluation | Requires separate evaluation |
| Material selection | Project-specific | Project-specific | Project-specific |
| Connector and accessory compatibility | Must match the tested configuration | Must match the tested configuration | Must match the tested configuration |
| Typical application condition | Routine spray or water exposure | Areas with credible temporary immersion risk | Regular hot, high-pressure cleaning |
The IP Code Is Only One Part of the Evaluation
An IP rating does not establish chemical resistance, corrosion resistance, impact resistance, thermal-cycle performance, or service life.
For each lighting model, project teams should request evidence that identifies:
- Exact model and product revision
- Applicable standard and test clause
- Test date
- Testing laboratory or test source
- Tested specimen configuration
- Test conditions and pass criteria
Additional evidence may be required for chemical compatibility, corrosion, thermal cycling, impact resistance, installation conditions, and maintenance procedures, depending on the site environment.
For industrial and commercial lighting projects, the washdown process should be described as precisely as possible. Water pressure, temperature, spray distance, cleaning frequency, chemicals and exposure duration can all affect the product requirements.
If a lighting failure could lead to significant sanitation problems or production downtime, the project should require appropriate test evidence and, where necessary, sample testing.
The goal is not to select the highest IP rating by default. The goal is to match the tested protection level and supporting evidence to the actual operating conditions.
For lighting projects involving demanding washdown environments, provide the operating conditions and cleaning process to the supplier for engineering review, sample requirements and quotation.
What Common Specification Mistakes Should Procurement Avoid?
Avoid these common procurement errors:
- Treating temporary immersion and high-pressure washdown as interchangeable. They are different tests; require the exact standard, clause, and model report.
- Using an application label as proof. ‘Food-grade,’ ‘washdown,’ or ‘hygienic’ requires supporting evidence defined by the project.
- Inferring chemical resistance from an IP code. Name every cleaner, sanitizer, concentration, temperature, and contact time and request separate compatibility evidence.
- Ignoring the tested configuration. End caps, gaskets, connectors, glands, cable entries, mounting orientation, and accessories must match the report.
- Accepting generic or undated evidence. Ask for model/revision identification, report date and number, laboratory or test source, and pass criteria.
- Omitting installation and service controls. Specify approved torque, cable-entry sealing, gasket and spare-part identifiers, inspection steps, and re-sealing procedure where supported by the supplier.
- Turning catalog values into project promises. Operating range, lifetime, warranty, lead time, MOQ, material options, and washdown limits require current model-level and commercial confirmation.
What Next Steps Should We Take To Request OLAMLED Engineering Review?
Submit one concise project package to OLAMLED for engineering review. Include:
- Washdown profile: method, frequency, maximum pressure and water temperature, nozzle distance and angles, credible immersion depth and duration.
- Chemical exposure: product names, concentration, pH, contact time, application temperature, rinse method, and any solvent or vapor exposure.
- Project constraints: drawings, mounting, cable routing, connector locations, ambient temperature, required light output and distribution, control preference, emergency or sensor requirement, and any impact requirement.
- Evidence required with the quotation: current datasheet, exact model/revision, applicable test reports, material declarations, connector and gland details, installation instructions, and any sample or prototype request.
- Commercial inputs: quantity, destination market, target schedule, forecast, packaging or private-label needs, and required compliance documents.
Reference the K70 tubular light or the broader LED tubular light category only as a candidate. Ratings, material compatibility, photometric work, drawings, sample scope, documentation, price, and timing must be confirmed in the project response; no turnaround or capability is promised by this draft.
IP65 vs IP67 vs IP69K Tubular Lights for Washdown Environments FAQs
We answer common questions about selecting IP65, IP67, and IP69K tubular lights for washdown environments.
Topics include chemical exposure, immersion risk, cleanability, documentation and RFQ readiness that procurement and engineering teams should verify before requesting an OLAMLED engineering review.
1. How often should IP-rated gaskets be replaced?
There is no fixed calendar interval for replacing IP-rated gaskets. We recommend scheduling replacement based on inspection findings and the fixture’s cleaning cadence: replace immediately for cracks, permanent compression set, hardening, surface damage, or insect ingress. High-frequency or daily washdown and repeated exposure to aggressive sanitation chemicals, steam, or thermal cycling will shorten gasket life and often move replacements toward an annual or biennial rhythm. Material choice and the manufacturer’s written maintenance guidance determine final timing and must be followed.
2. Can IP69K fixtures survive CIP chemical sterilization cycles?
IP69K covers resistance to high-pressure, high-temperature water jets but does not certify chemical resistance, so the rating alone cannot guarantee survival of a Clean‑In‑Place sterilization cycle. We require material-specific validation using the exact sanitizer, concentration, temperature, exposure time, and cycle count and we test PC or PMMA housings, silicone gaskets, and 304L/316L end caps for soak, thermal cycling, embrittlement, gasket swelling, seal loss, and functional failure. Accept fixtures only with chemical-compatibility reports or lab cycle data showing no ingress, visible degradation, or loss of function; we will review CIP parameters and provide sample testing and engineering confirmation for a tubular LED fixture or IP67 tubular light.
3. Are IP67 tubular lights compatible with electronic dimmers?
Yes. We specify dimmable drivers and matching control protocols so IP67 tubular lights work with electronic dimmers when the driver supports dimming and the RFQ names driver brand/model, the dimming protocol (0-10V or DALI), and the dimming curve. We require datasheets showing flicker and frequency characteristics and factory-fitted IP68 stainless connectors with the correct cable set for dimmable units (5×1.5mm²). Supplier test evidence must show wiring penetrations preserve the IP67 rating and we will perform an engineering review for any IP69K tubular light application. K70 series and the broader tubular light category contain configuration notes we will verify.
4. How does repeated steam affect IP69K seals?
IP69K certifies performance in a defined hot, high-pressure wash test (100 bar / 1450 psi at about 80°C, sprayed 30 seconds at 0°, 30°, 60° and 90° for a total of 120 seconds) rather than guaranteeing unlimited service life. Real-world repeated steam cycles can accelerate compression loss, chemical softening, thermal-fatigue cracking, and damage at cable entries that the short-duration test may not reveal. For product-level benchmarks and housing options see our K70 series. Inspect and document seals, then request supplier test reports or an OLAMLED engineering review via the tubular light product page.
5. Can existing fixtures be retrofitted to IP69K standards?
Retrofitting a tubular LED fixture to meet IP69K is possible in very limited cases but rarely practical for procurement or compliance because an IP69K claim requires verified fixture-level testing to the hot high-pressure wash protocol (≈100 bar/80°C) and cannot be achieved by swapping a gasket alone. We inspect housing material and single-piece integrity, diffuser fit, gland and cable-entry design, driver and wiring sealing, mounting points, and service history before accepting a retrofit. Provide the operating environment and washdown process to request engineering review, samples, and test reports referencing our K70 series and the broader tubular light category.
