Description
WD-40 Specialist® Rust remover 400ml spray can
WD-40 Specialist Penetrant is a fast-acting penetrant with capillary action to penetrate deep into crevices, threads and seams to break the rust bonds that hold stuck parts together. It is a low odor formula that works on contact to free rusted nuts, bolts, threads, locks, and chains leaving behind a protective layer that prevents rust and corrosion from re-forming.
Characteristics
- Fast-Acting
- Works on Contact
- Low Odor
- No Prop 65 Chemicals
- Frees rusted parts 50% faster than the leading competitor
- 50-state VOC Compliant
Field of application
- Nuts
- Bolts
- Pipe Threads
- Locks • Chains
- Rusted Parts
- Stuck Components
Technical specifications
- Appearance: Slightly cloudy, beige liquid
- Density: 0.75-0.77
- Spray force: 0.8 – 1.4g / s
- Operating temperature range: -20 ° C to + 90 ° C
- Solubility: Insoluble in water
- Flammability: Extremely flammable
- Material compatibility: metal, alloys, rubber, plastic
- ASTM D-4172 (Four Ball Test; Lubricity): 0.69mm
- ASTM B-117 (salt spray test): 30% after 72 hours
- Surface tension: 23nN / m
- Nail climbing test (capillary action): 5cm in 10 minutes
- Contact angle (steel): 0 ° (less is better)
Hazard Warnings (CLP)

Signal word: Danger
Hazard Statements (H-phrases)
- H315: Causes skin irritation.
- H336: May cause drowsiness or dizziness.
- H411: Toxic to aquatic life with long-lasting effects.
- H222: Extremely flammable aerosol.
- H229: Pressurised container: May burst if heated.
Safety Statements (P-phrases)
Prevention:
- P101: If medical advice is needed, have product container or label at hand.
- P102: Keep out of reach of children.
- P210: Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
- P211: Do not spray on an open flame or other ignition source.
- P251: Do not pierce or burn, even after use.
- P261: Avoid breathing vapours/spray.
- P273: Avoid release to the environment.
- P280: Wear protective gloves.
Response:
- P312: Call a POISON CENTER/doctor if you feel unwell.
Storage:
- P405: Store locked up.
- P410+P412: Protect from sunlight. Do not expose to temperatures exceeding 50 °C.
Disposal:
- P501: Dispose of contents/container to an approved waste disposal plant.
Other Hazards
- Formation of explosive mixtures possible without sufficient ventilation.
- The mixture contains no vPvB substances.
- The mixture contains no PBT substances.
- The mixture contains no substances with endocrine-disrupting properties.
WD-40 Company Limited Zweigniederlassung Deutschland, Siemensstrasse 21, 61352 Bad Homburg, GERMANY, +49 6172 677 450, [email protected], www.wd40.de






liam_88 –
Works just as advertised. Good customer service. Arrived as promised.
giacomo_s –
Well packaged and delivered quickly. Top seller. Exactly what I needed. Clear recommendation.
ilaria88 –
Feels nice to use at home. Better than anything I’ve tried before. Better than anything else I’ve tried before.
Pierre –
Fast shipping and good quality. Exactly as in the pictures. Arrived without any defect.
philipp88 –
Easy to use and very practical.
Oliver –
Top product, would definitely recommend. Clear recommendation.
giacomo_s –
Great customer support.
paul_fr –
Great customer support. Top product, would definitely recommend. Very satisfactory. Arrived right away, excellent service.
Alice N. –
No unpleasant smell, which I really appreciate.
philipp88 –
Very good experience. Very easy to use. Delivery faster than expected. Top product, would definitely recommend.
jakob_s –
Great item. Works just as advertised. Well made and durable.