- 耐高溫，高阻燃
- 耐磨損，耐刺穿
- 抗化學(xué)試劑及溶劑，耐腐蝕及耐候
- 徑向收縮比：2:1，軸向收縮率≤10%
- 收縮溫度：開始收縮溫度155℃，完全收縮溫度175℃
- 工作溫度：-55℃~175℃
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應(yīng)用
用于高溫，抗機(jī)械摩擦和化學(xué)腐蝕的場(chǎng)合，透明的半硬型材料給目測(cè)提供了方便，同時(shí)提供絕緣，應(yīng)力解除。用于電子元件的保護(hù)，電阻電容器、熱電偶的絕緣及保護(hù)，各種金屬線類的機(jī)械保護(hù)，電線末端、接續(xù)、端子的絕緣、保護(hù)和補(bǔ)強(qiáng)等。中科英華(原長(zhǎng)春熱縮)系直九標(biāo)準(zhǔn)推薦生產(chǎn)廠家
| 技術(shù)指標(biāo) |
| 項(xiàng)目 |
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性能 |
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指標(biāo)
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典型值
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測(cè)試標(biāo)準(zhǔn)
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| 機(jī)械性能 |
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拉伸強(qiáng)度 |
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≥10.4MPa
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40MPa
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ASTM D2671
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斷裂伸長(zhǎng)率 |
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≥200%
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450%
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ASTM D2671
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老化后斷裂伸長(zhǎng)率(220 ℃ /168hrs) |
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≥100%
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120%
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ASTM D2671
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熱沖擊 (300 ℃ /4hrs) |
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no dripping
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ASTM D2671
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低溫柔韌性 (-40 ℃ /4hr) |
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Pass
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ASTM D2671
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| 電性能 |
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介電強(qiáng)度 |
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>25kV/mm
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33kV/mm
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ASTM D2671
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體積電阻率 |
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>1013Ω.cm
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>1014Ω.cm
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ASTM D 257
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| 化學(xué)性能 |
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銅腐蝕 (220 ℃ /168hrs) |
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No Corrosion
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Pass
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ASTM D2671
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銅穩(wěn)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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| 規(guī)格尺寸 |
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規(guī)格
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內(nèi)徑
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完全收縮后平均壁厚
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收縮前最小內(nèi)徑
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收縮后最大內(nèi)徑
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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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