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耐高温,高阻燃
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耐磨损
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在高温下耐腐蚀
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径向收缩比:2:1,轴向收缩率≤10%
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收缩温度:开始收缩温度110 ℃,完全收缩温度200 ℃
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工作温度:-55 ℃~200 ℃
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管体柔韧
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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 |
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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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>12MPa
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>12MPa
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ASTM D2671
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断裂伸长率 |
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≥250%
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430%
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ASTM D2671
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老化后断裂伸长率(250 ℃ /168hrs) |
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≥200%
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250%
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ASTM D2671
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热冲击 (300 ℃ /4hrs) |
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pass
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no dripping
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ASTM D2671
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低温柔韧性 (-55 ℃ /4hr) |
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pass
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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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>25kV/mm
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ASTM D2671
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体积电阻率 |
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>1014Ω.cm
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>1016Ω.cm
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ASTM D 257
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化学性能 |
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铜腐蚀 (250 ℃ /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>70%
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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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抗真菌性 |
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Very Good
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ISO 846
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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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