Description
WD-40 Specialist® Rust remover 100ml 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






Alessandro –
Met my expectations. Product arrived well packaged.
jana_ber –
Very satisfied, better than I expected. I’ve been using it for 2 weeks and already see results!
vincent_fr –
Simply excellent. Great purchase. Good quality at a fair price. Everything was smooth and fast.
sarah_sun –
Very satisfied, better than expected. The quality pleasantly surprised me. Better than anything I’ve tried before.
amelie75 –
Not too big, not too small, just right. The quality surprised me in a good way. I’ve been using it for 2 weeks and already see results!
Dylan –
Product as expected. Perfect and functional. Exactly as described.
markus_88 –
Fast and secure delivery. Packaging was excellent. Everything perfect and fast. Everything perfect, would buy again.
florian_s –
Price matches the quality. Solid product, would buy again. No issues at all so far. Would buy again.
Giacomo –
Better than I thought; I’m satisfied.
sarah_sun –
Been using it for 2 weeks and already see results!
Marlene S. –
Very effective, I noticed a change in just a week. The quality surprised me in a good way.
Isabell V. –
I was skeptical, but now I’ll order it regularly. Easy to use, no mess at all. Very fast delivery, thank you. No unpleasant smell, which I really appreciate.