| 产品特性 |
- 耐高温，高阻燃
- 耐磨损，耐刺穿
- 抗化学试剂及溶剂，耐腐蚀及耐候
- 径向收缩比：2:1，轴向收缩率≤10%
- 收缩温度：开始收缩温度155℃，完全收缩温度175℃
- 工作温度：-55℃~175℃
|
应用
用于高温，抗机械摩擦和化学腐蚀的场合，透明的半硬型材料给目测提供了方便，同时提供绝缘，应力解除。用于电子元件的保护，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、保护和补强等。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 |
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性能 |
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指标
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典型值
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测试标准
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| 机械性能 |
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拉伸强度 |
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≥10.4MPa
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40MPa
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ASTM D2671
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断裂伸长率 |
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≥200%
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450%
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ASTM D2671
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老化后断裂伸长率(220 ℃ /168hrs) |
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≥100%
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120%
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ASTM D2671
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热冲击 (300 ℃ /4hrs) |
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no dripping
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ASTM D2671
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低温柔韧性 (-40 ℃ /4hr) |
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Pass
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ASTM D2671
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| 电性能 |
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介电强度 |
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>25kV/mm
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33kV/mm
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ASTM D2671
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体积电阻率 |
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>1013Ω.cm
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>1014Ω.cm
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ASTM D 257
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| 化学性能 |
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铜腐蚀 (220 ℃ /168hrs) |
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No Corrosion
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Pass
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ASTM D2671
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铜稳定 (121 ℃ /168hrs) |
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Elongation>100%
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pass
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UL 224
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阻燃性能 |
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Highly Flame Retardant
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ASTM D2671
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吸水率 |
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<0.5%
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<0.5%
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ASTM D570
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| 规格尺寸 |
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规格
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内径
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完全收缩后平均壁厚
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收缩前最小内径
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收缩后最大内径
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mm
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inch
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mm
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inch
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mm
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inch
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mm
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inch
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1.2
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3/64
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1.20
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0.047
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0.60
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0.024
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0.25±0.1
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0.010±0.004
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1.6
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1/16
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1.60
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0.063
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0.80
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0.032
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0.25±0.1
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0.010±0.004
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2.4
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3/32
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2.40
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0.094
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1.20
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0.047
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0.25±0.1
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0.010±0.004
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3.2
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1/8
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3.20
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0.126
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1.60
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0.063
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0.25±0.1
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0.010±0.004
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4.8
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3/16
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4.80
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0.189
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2.40
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0.095
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0.30±0.1
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0.012±0.004
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6.4
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1/4
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6.40
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0.252
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3.20
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0.126
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0.30±0.1
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0.012±0.004
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9.6
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3/8
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9.60
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0.378
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4.80
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0.189
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0.30±0.1
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0.012±0.004
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12.8
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1/2
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12.80
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0.504
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6.40
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0.252
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0.30±0.1
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0.012±0.004
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19
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3/4
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19.00
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0.748
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9.50
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0.374
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0.40±0.1
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0.016±0.004
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25.4
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1
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25.40
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1.000
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12.70
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0.500
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0.50±0.1
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0.020±0.004
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38
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1 1/2
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38.00
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1.496
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19.00
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0.748
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0.50±0.1
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0.020±0.004
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