Gel-coated phenolic resin fiberglass reinforced sheets are high-performance composite panels made from phenolic resin reinforced with fiberglass, finished with a protective gel coat surface layer to improve appearance, durability, and environmental resistance while maintaining excellent fire safety performance.
DESCRIPTION
Typical Specifications (Customizable)
| Item | Specification |
|---|---|
| Thickness | 0.7mm – 5.0mm |
| Size | Coil: 50m – 200m. Sheet: 1220mm x 2440mm or customized. |
| Surface Finish | Smooth |
| Surface Color | RAL Series |
| Flame Retardancy Rating | B1 / Class A |
Basic Physical Properties
| Item | Specification Range | Test Standard |
|---|---|---|
| Density | 1.4 – 1.9 g/cm³ | ASTM D792 |
| Tensile Strength | 80 – 200 MPa | ASTM D638 |
| Flexural Strength | 120 – 250 MPa | ASTM D790 |
| Compressive Strength | 100 – 300 MPa | ASTM D695 |
| Impact Strength (Charpy) | 8 – 20 kJ/m² | ISO 179 |
| Elastic Modulus | 5 – 15 GPa | ASTM D638 |
| Water Absorption | ≤ 1.0 – 2.0% | ASTM D570 |
Thermophysical Properties
| Item | Specification Range | Test Standard |
|---|---|---|
| Heat Deflection Temperature (HDT) | 120 – 180 ℃ | ASTM D648 |
| Long-Term Service Temperature | 120 – 150 ℃ | — |
| Short-Term Heat Resistance | 180 – 250 ℃ | — |
| Thermal Expansion Coefficient | 2 – 5 ×10⁻⁵ /K | ASTM E831 |
| Thermal Conductivity | 0.2 – 0.4 W/m·K | ASTM C177 |
Typical Applications
- Railway interior wall and ceiling panels.
- Ship and marine cabin panels.
- Fire-rated architectural wall cladding.
- Cleanroom and hygienic environment panels.
- Industrial equipment enclosures.
- Transport vehicle interior panels (bus/train/metro).
- High-end insulation panels requiring visible surfaces.