项 目 Item | S838 | S858 |
密度 ρm Density ρm | 1.50-1.60 g/cm³ | 1.50-1.60 g/cm³ |
模塑收缩率 SMo Mold shrinkage rate smo now SMo | 0.5-0.8% | 0.5-0.8% |
拉伸强度 Tonsile strength | ≥40 | ≥40 |
弯曲强度 σfM Bending strength σfM | ≥80Mpa | ≥80Mpa |
简支梁冲击强度 аcu Charpy impact strength аcu | ≥5.0kj/㎡ | ≥5.0kj/㎡ |
简支梁缺口冲击强度аcA Charpy notched impact strength аcA | ≥1.5kj/㎡ | ≥1.5kj/㎡ |
负荷变形温度 Tf 1.8 Load deflection temperature Tf 1.8 | ≥170℃ | ≥180℃ |
可燃性(垂直燃烧) @3.2mm Probability(vertical contingent,burn) @3.2mm | V-0 | V-0 |
可燃性(炽热棒)BH Probability (hot rod) BH | ≤BH1 | ≤BH1 |
介质损耗因数 tanδ100M Dielectric dissipation factor tanδ100M | ≤0.25 | ≤0.25 |
介质损耗因数tanδ1M Dielectric dissipation factor tanδ1M | ≤0.2 | ≤0.2 |
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体积电阻率 ρv Volume resistivity ρv | ≥1011Ω.cm | ≥1011Ω.cm |
表面电阻率 ρs Surface resistivity ρs | ≥1010Ω | ≥1010Ω |
电器强度 Es2 Electrical strength Es2 | ≥10kv/mm | ≥10kv/mm |
吸水性 ww24 Absorbent ww24 | ≤30mg | ≤30mg |
耐漏电起痕指数 PTI Proof tracking index PTI | ≥150V | ≥175V |