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Property | Test method | Unit | Index | ||||
Physical properties | |||||||
Specific gravity | GB/T 1033.1 | g/cm3 | 1.75-1.85 | ||||
Molding shrinkage | ISO 2577 | % | 0.10-0.30 | ||||
Water absorption | GB/T 1034 | mg | ≤50 | ||||
Mechanical properties | |||||||
Tensile fracture stressσB | GB/T 1040 | MPa | ≥80 | ||||
Flexural StrengthσfM | GB/T 9341 | MPa | 190 | ||||
Compressive strengthσfcu | GB/T 1041 | MPa | ≥220 | ||||
Impact Strength(notched) acA | GB/T 1043.1 | KJ/m2 | ≥4.5 | ||||
Electrical properties | |||||||
Dielectric loss factor(tanδ1M ) | GB/T 1409 | - | ≤0.1 | ||||
Volume resistivityρv | GB/T 1410 | Ωcm | 1012 | ||||
Surface resistivityρs | GB/T 1410 | Ω | 1011 | ||||
Dielectorni StrengthEs2 | GB/T 1408.1 | Kv/mm | ≥10 | ||||
PTI | GB/T 4207 | - | - | ||||
Heat resistance properties | |||||||
Heat distortion temperature(Tf 1.8) | GB/T 1634.2 | ℃ | ≥210 | ||||
Heat distortion temperature(Tf 8.0) | GB/T 1634.2 | ℃ | - | ||||
Flammability (hot rod) BH | GB/T 2407 | - | ≤BH2-10 | ||||
Flame Rating | UL 94 | 2.0mm | V-0 | ||||
Mould temperature℃ | Charging barrel ℃ | Injection pressure MPa | Back pressure MPa | Dwell time s/mm | ||||
Fix Mould | Moving Mould | Front barrel | Back barrel | |||||
165-175 | 170-180 | 90-100 | 70-80 | 80-160 | 1-3 | 10-20 | ||








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