应用
高温有油环境电子元件的保护；电阻电容器、热电偶的绝缘及保护；各种金属线类的机械保护；电线末端、接续、端子的绝缘、保护和补强。中科英华(原长春热缩)系直九标准推荐生产厂家 | 技术指标 | | 项目 | | 性能 | | 指标 | | 典型值 | | 测试标准 | | | | | | | | | | | | | 机械性能 | | 拉伸强度 | | >12MPa | | >12MPa | | ASTM D2671 | | | | | | | | | | 断裂伸长率 | | ≥250% | | 430% | | ASTM D2671 | | | | | | | | | | 老化后断裂伸长率(250 ℃ /168hrs) | | ≥200% | | 250% | | ASTM D2671 | | | | | | | | | | 热冲击 (300 ℃ /4hrs) | | pass | | no dripping | | ASTM D2671 | | | | 低温柔韧性 (-55 ℃ /4hr) | | pass | | Pass | | ASTM D2671 | | | 电性能 | | 介电强度 | | >25kV/mm | | >25kV/mm | | ASTM D2671 | | | | 体积电阻率 | | >1014Ω.cm | | >1016Ω.cm | | ASTM D 257 | | | 化学性能 | | 铜腐蚀 (250 ℃ /168hrs) | | No Corrosion | | Pass | | ASTM D2671 | | | | 铜稳定 (121 ℃ /168hrs) | | Elongation>70% | | pass | | UL 224 | | | | 阻燃性能 | | | | Highly Flame Retardant | | ASTM D2671 | | | | | | | | | | 吸水率 | | <0.5% | | <0.5% | | ASTM D570 | | | | 抗真菌性 | | | | Very Good | | ISO 846 |
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| 规格尺寸 | | 规格 | 内径
| 完全收缩后平均壁厚
| | 收缩前最小内径
| 收缩后最大内径
| | mm | inch | mm | inch | mm | inch | mm | inch | | | | | | | | | 1.2 | 3/64 | 1.20 | 0.047 | 0.60 | 0.024 | 0.25±0.1 | 0.010±0.004 | | 1.6 | 1/16 | 1.60 | 0.063 | 0.80 | 0.032 | 0.25±0.1 | 0.010±0.004 | | 2.4 | 3/32 | 2.40 | 0.094 | 1.20 | 0.047 | 0.25±0.1 | 0.010±0.004 | | 3.2 | 1/8 | 3.20 | 0.126 | 1.60 | 0.063 | 0.25±0.1 | 0.010±0.004 | | 4.8 | 3/16 | 4.80 | 0.189 | 2.40 | 0.095 | 0.30±0.1 | 0.012±0.004 | | 6.4 | 1/4 | 6.40 | 0.252 | 3.20 | 0.126 | 0.30±0.1 | 0.012±0.004 | | 9.6 | 3/8 | 9.60 | 0.378 | 4.80 | 0.189 | 0.30±0.1 | 0.012±0.004 | | 12.8 | 1/2 | 12.80 | 0.504 | 6.40 | 0.252 | 0.30±0.1 | 0.012±0.004 | | 19 | 3/4 | 19.00 | 0.748 | 9.50 | 0.374 | 0.40±0.1 | 0.016±0.004 | | 25.4 | 1 | 25.40 | 1.000 | 12.70 | 0.500 | 0.50±0.1 | 0.020±0.004 | | 38 | 1 1/2 | 38.00 | 1.496 | 19.00 | 0.748 | 0.50±0.1 | 0.020±0.004 |
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