BOXER Rubberized Undercoat RR-77 WB is a high-quality, water-based protective coating formulated with elastomeric technology to protect the underbody, chassis, wheel arches, and other metal parts from corrosion, gravel impact, moisture, mud, and road noise.
This product forms a thick, elastic, and durable layer that helps dampen sound and provides long-term protection against extreme environmental conditions. Its water-based formula makes it more environmentally friendly, odor-free, and safe to use than solvent-based products.
- Excellent Adhesion
- Elastic Layer (Doesn't Crack Easily)
- Stone Chip Resistant
- Excellent Anti-Rust Resistance
- Water & Mud Resistan
- Low Odor
- Easy to Appl
- Quick-Drying
- Strong & Durable
- Provides a Thick Layer
- Reduces Noise and Vibration
- Environmentally Friendly Formula
1kg, 4kg, 20 kg
AREAS OF APPLICATION
- Vehicle underbody
- Car and truck chassis
- Pickup truck bottom
- Inner fenders
- Wheel Arches
- Trailers and heavy equipment
- Metal components requiring anti-corrosion and stone chip protection.
SURFACE PREPARATION
For a new chassis or underbody:
- Ensure the surface is clean of dust, grease, oil, and other contamination.
- Lightly sand the surface with 240-320 grit sandpaper.
For a rusty chassis or underbody:
- Remove rust using a wire brush, grinder, or sandblaster.
- Clean off dust and any remaining rust.
- For best results, apply SCHON Epoxy Primer & Surfacer before applying BOXER Rubberized Undercoat RR-77 WB.
APPLICATION
- Dilute BOXER Rubberized Undercoat RR-77 WB with clean water according to the application method.
- Apply 2-3 coats (3 coats for critical areas). Ensure the previous coat is dry before applying the next coat.
| Type | Elastomeric Water Based |
| Appearance | Doff/ Matte |
| Color | Black |
| Specific Gravity (temp. 30 °C) | 1.3 - 1.4 kg/lt |
| Volume of Solid | |
| Type of Dilution | Clean Water |
| Ratio of Dilution |
- 0 - 15% (Brush) - 5 - 10% (Roller) - 10 - 20% (Spray) |
| Dry Film Thickness (DFT) | - 100 - 150 um per layer |
| Drying Time* | |
| Touch Dry (30 °C)* | 30 - 45 minutes |
| Hard Dry (30 °C)* | 24 hours |
| Perfect Cure (30 °C)* | 5 - 7 days |
| Recoating Intervals (30 °C)* | 2 - 4 hours |
| Method of Application | Brush, roll, spray |
| Theoretical Coverage | ± 6 m2/ kg |
| Packaging | 1 kg, 4 kg, 20 kg |
*Bervariasi pada kondisi cuaca, suhu, sirkulasi, dan kelembaban udara