该薄膜是满足客户特殊需求生产的无卤阻燃PC薄膜,一面哑光、一面细砂,UL94防火等级达到VTM-0或V-0,易于热成型、加氢成型、压花、模切、折叠和折弯加工,可以广泛用于印刷电路板绝缘、电源供应器、显示面板、电视/显示器、电器等内部绝缘和遮蔽。
物性表Typical Property Values
特 性 Property | 项 目 Item | 测试方法 Test Method | 单位 Unit | 测试值 Standard Value |
物理性能 Physical Performance | 密度 Density | ASTM D792 | g∕cm3 | 1.22 |
吸水率,24hrs Absorption Rate,24hrs | ASTM D570 | ﹪ | <0.35 |
机械性能 Mechanical Performance | 拉伸强度 Tensile Strength | ASTM D882 ISO527 | PSI MPa | 7500 52 |
断裂伸长率 Tensile Elongation at Break | ASTM D882 | ﹪ | 100 |
冲击强度 Impact Strength(0.75mm) | ASTM D3029 ISO 6603-1 | ft-Ib J | 11 28 |
撕裂强度 Tear Strength propagation | ASTM D1922 | g∕mil | >30 |
热性能 Thermal Performance | 维卡软化点 Vicat Softening Temperature | ASTM D1525 | ℃ | 135 |
热收缩率(135℃) Shrinkage at 135℃ | ASTM D1204 | % | ≤1.0 |
电气性能 Electrical Performance | 介电强度 Dielectric Strength(0.25mm) | ASTM D149 | V∕mil | 1350 |
表面电阻 Volume Resistivity 25℃,50%RH | ASTM D257 | Ω | >1.0×1015 |
体积电阻率 Volume Resistivity 25℃,50%RH | ASTM D257 | Ω·cm | >1.0×1016 |
UL阻燃等级 UL Flammability | 薄膜厚度≥0.25 mm Film thickness≥0.25 mm | UL BULLETIN 94 | UL94 | V-0 |
薄膜厚度<0.25 mm Film thickness<0.25 mm | VTM-0 |
| 单位UNITS | 极限值LIMITS |
厚度公差 Gauge Variation | % | <0.25 mm(0.010″)±10% ≥0.25 mm(0.010″)±5% |
环保指标
Environment Protection Index
环保指标 Index | 指标值 Value |
汞Hg Mercury (Hg) | N.D(<2ppm) |
六价铬Cr(VI) Hexavalent Chromium Cr (VI) | N.D(<2ppm) |
镉Cd Cadmium (Cd) | N.D(<2ppm) |
铅Pb Lead (Pb) | N.D(<2ppm) |
多溴联苯PBBs Sum of PBBs | N.D(<5ppm) |
多溴联苯醚PBDEs Sum of PBDEs | N.D(<5ppm) |
氯Cl Chlorine (Cl) | N.D(<5ppm) |
溴Br Bromine (Br) | N.D(<5ppm) |
注:以上各项数据通过标准测试方法而获得的代表性数据,但是其数值不能在不稳定用途中作为性能的保证。