China General Use SMC Materials Sheet Moulding Compound Fiberglass Reinforce 1024, Find details about China SMC, Fiberglass Reinfornce Plastic Sheet from General Use SMC Materials Sheet Moulding Compound Fiberglass Reinforce 1024
Specifications | Unit | Testing method | Normal value | Test value | |
Physical properties | Density | g/cm 3 | GB/T 1033 | 1.75 ~ 1.95 | 1.81 |
Water absorptivity | mg | ISO 62 | ≤20 | 18.3 | |
Mold shrinkage | % | ISO 3521 | ≤0.15 | 0.08 | |
Mechanical properties | Bend strength | MPa | GB/T 1042 | ≥170 | 210 |
Determination of charpy impact strength | KJ/m 2 | ISO 179 | ≥90 | 124 | |
Thermal property | Heat distortion temperature | | ASTM D-648 | ≥240 | 240 |
Flammability | Combustion performance (UL94) | CLASS | IEC 60707 | FV0 | FV0 |
Smoke toxicity | - | GB/T 20285 | - | ZA 2 | |
Classification of burning behavior | - | EN 13501-1 | - | B2 | |
Smoke density | - | GB/T 8627 | - | 22 | |
Dielectric properties | Insulation resistance (normal state) | Ω | IEC 60093 | ≥1.0×10 13 | 3.0×10 13 |
Insulation resistance (24h water soaking) | Ω | IEC 60093 | ≥1.0×10 12 | 5.3×10 12 | |
Dielectric strength | kV/mm | ASTM D-149 | ≥12 | 17.1 | |
Dielectric loss tangent | - | ASTM D-150 | ≤0.015 | 0.005 | |
Dielectric constant | - | ASTM D-150 | ≤4.5 | 4.1 | |
Arc resistance | S | IEC 61621 | ≥180 | 190 | |
Proof tracking index (PTI) | V | IEC 60112 | ≥600 | 600 |