WD-40 Specialist® Silicone Spray - 400ml - 44389/NBAWD-40 Specialist® Silicone Spray

WD-40® Specialist Silicone is a high-performance, non-staining lubricant that waterproofs, reduces friction and helps prevent parts from sticking. Safe on rubber, plastic, metal and wood, it leaves a clear film that won’t attract dirt—ideal for seals, belts, pulleys, guide rails, locks and linkages. Smart Straw gives wide spray or pinpoint control, with a 360° valve for use at any angle.

Key Features & Benefits

• Clean, Drying Film: Clear, non-staining silicone that won’t attract dirt.
• Multi-Material Safe: Suitable on rubber, plastics, metals and wood.
• Waterproofs & Protects: Displaces moisture and leaves a protective barrier.
• Smart Straw & 360° Valve: Flip-up straw for precision; sprays at any angle.
• Wide Temperature Range: Effective roughly from −35 °C to +200 °C (application dependent).

Product & Technical Details

• Type: Silicone lubricant (aerosol)
• Appearance: Clear / light yellow
• Size: 400 ml can
• Typical Uses: Seals and window rubbers, pulleys, linkages, guide rails, belts, locks, hinges

Instructions for Use

1. Clean the area to remove loose dirt and old residues.
2. Shake well. Flip Smart Straw down for wide spray or up for precision.
3. Apply a light film; allow to penetrate and dry. Wipe excess if required.

Limitations & Precautions

• Extremely flammable aerosol—keep away from heat, sparks and open flames.
• Test on sensitive finishes and plastics before full application.
• Avoid brake/friction surfaces. Use with adequate ventilation.

A versatile silicone spray that lubricates, waterproofs and protects components across automotive, trade and home maintenance—clean to use, long-lasting and easy to direct with Smart Straw and 360° spraying.