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Sikagard 6440 1l black spray underbody coating, stone, gravel protection, anti-corrosion, abrasion resistance, road salt, impact resistance
Description
SikaGard-6440 black 1 L is a spray-applied, thixotropic rubber-based underbody coating designed to protect vehicle chassis and wheel arches from stone chipping, corrosion and noise. It forms a durable, flexible, paintable texture.
Benefits and Unique Features
- Non-drip and non-run – precise spray control
- Excellent abrasion, impact and salt resistance
- Sound-damping properties reduce road noise
- Multiple finish textures possible
- Good adhesion to metals, primers and PVC without primer
- Paintable after full cure
Properties and Applications
- Chemical base: rubber solution
- Color: black/grey
- Density (uncured): 1.05 kg/l
- Solid content: 49 %
- Application temperature: 15–25 °C
- Wet/Dry film thickness: 600 µm / 300 µm
- Dry-to-touch: 60 min
- Full cure time: 24 h
- Service temperature: –30 °C to +90 °C
- Applications: underbody, wheel arch and rocker panel protection
Technical Specifications
| Parameter | Value |
|---|---|
| Pack size | 1 L |
| Chemical base | Thixotropic rubber |
| Density | 1.05 kg/l |
| Solid content | 49 % |
| Wet film | 600 µm |
| Dry film | 300 µm |
| Dry-to-touch | 60 min |
| Full cure | 24 h |
| Service temp. | –30 °C to +90 °C |
| Shelf life | 24 months |
Storage Recommendations
Store in a dry place at +5 to +25 °C, protected from frost and direct sunlight. Keep container tightly closed.
Instructions for Use
- Clean, degrease and dry all surfaces, remove rust, dust and oil.
- Shake container approximately 40 times before use.
- Spray with an airless gun (3–6 bar) from ~25 cm in a cross-hatch pattern.
- For thicker builds, allow each coat to dry before re-spraying.
- Mask off brakes, exhaust and engine parts.
- Remove uncured material with Sika Remover-208; cured film only mechanically.
- Clean tools and skin with Sika Cleaner-350H and water.
Loctite Henkel Premium Partner
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