| 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 |
|
性能 |
|
指标 |
|
典型值 |
|
测试标准 |
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| 机械性能 |
|
拉伸强度 |
|
≥10.4MPa |
|
40MPa |
|
ASTM D2671 |
|
|
|
|
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|
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| |
断裂伸长率 |
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≥200% |
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450% |
|
ASTM D2671 |
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|
|
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|
|
|
| |
老化后断裂伸长率(220 ℃ /168hrs) |
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≥100% |
|
120% |
|
ASTM D2671 |
|
|
|
|
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|
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| |
热冲击 (300 ℃ /4hrs) |
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|
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no dripping |
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ASTM D2671 |
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| |
低温柔韧性 (-40 ℃ /4hr) |
|
|
|
Pass |
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ASTM D2671 |
|
| 电性能 |
|
介电强度 |
|
>25kV/mm |
|
33kV/mm |
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ASTM D2671 |
|
|
| |
体积电阻率 |
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>1013Ω.cm |
|
>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 |
|
|
| |
铜稳定 (121 ℃ /168hrs) |
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Elongation>100% |
|
pass |
|
UL 224 |
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阻燃性能 |
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|
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Highly Flame Retardant |
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ASTM D2671 |
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|
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吸水率 |
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<0.5% |
|
<0.5% |
|
ASTM D570 | |
| 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
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|
|
mm |
inch |
mm |
inch |
mm |
inch |
mm |
inch |
|
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|
|
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|
|
|
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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