With the rapid advancement of precision electronics, outdoor devices, and automotive modules, waterproofing and durability are no longer optional but essential. SIL-MORE Group recommends FR477-4 UV-curable resin as an innovative solution to replace traditional rubber gaskets, offering higher compression rebound and superior weather resistance to achieve lighter and more reliable sealing.
| Item | Specification |
| Chemical Composition | Acrylic Resin |
| Appearance/Color | Blue Liquid |
| Specific Gravity | Approx. 1.09 |
| Viscosity (25°C, S14, 10rpm) | 41,000 ~ 63,000 cps |
| Thixotropic Index | 3.0 ~ 3.5 |
Key Features
- High Compression Rebound: Maintains >97% rebound rate even after long-term fastening; passed IP67 / IP68 waterproof tests
- Weather & Durability: Withstands -40°C ~ 100°C, resistant to high temperature, humidity, and thermal shock
- Reworkable Design: Easy removal during repair with no residue, reducing maintenance costs
- Eco-Friendly Formula: RoHS 2011/65/EU compliant, halogen-free
Applications
- Outdoor electronics and wearable devices
- Automotive electronic modules
- Industrial automation equipment
- Precision communication and testing instruments