应用
由可溶性聚四氟乙烯（PFA）材料制成，具有耐高温（260℃）、耐腐蚀、高绝缘、机械强度佳等特性，比PTFE热缩管具有优异的透明度。其广泛用于电子、计算机、电热、航天、军事、通讯等重要科技工业。
特性
v 收缩比：1.25:1
v 优异的的透明度
v 高阻燃
v 耐高温260℃
v 优异的机械性能和耐化学腐蚀性能
v 符合ROHS、REACH等环保规范
v 颜色
v 标准颜色：透明
操作温度范围
v 连续使用温度：-65℃～260℃
v **完全收缩温度：350℃
性能指标
|
性能 |
指标要求 |
测试方法 |
典型值 |
|
纵向收缩率 |
≤5％ |
ASTM D 2671 |
≤3％ |
|
抗张强度 |
17.3MPa min |
ASTM D 638 |
≥25MPa |
|
断裂伸长率 |
200％ min |
ASTM D 638 |
≥300％ |
|
绝缘耐压和击穿 |
2500V,60sec,不击穿 |
ASTM D 2671 |
通过 |
|
体积电阻率 |
1015Ω•cm min |
ASTM D 876 |
≥1016Ω•cm |
|
腐蚀性 |
无腐蚀 |
ASTM D 2671 |
无腐蚀 |
|
阻燃性 |
VW-1 |
UL224 |
通过 |
|
介电常数 |
2.1 |
||
|
摩擦系数 |
0.1-0.2 |
规格尺寸
|
规格 |
收缩前（mm) |
完全收缩后（mm） |
标准包装 （m/条） |
|
|
内径（min） |
内径（max） |
壁厚 |
||
|
Ф7 |
7.0 |
5.7 |
0.25+0.05 |
1.0 |
|
Ф11.5 |
11.5 |
9.3 |
0.35+0.05 |
1.0 |
|
Ф14.5 |
14.5 |
11.7 |
0.35+0.05 |
1.0 |
|
Ф19 |
19.0 |
15.3 |
0.35+0.05 |
1.0 |
|
Ф24 |
24.0 |
19.3 |
0.50+0.10 |
1.0 |
|
Ф28 |
28.0 |
22.5 |
0.50+0.10 |
1.0 |
|
Ф35 |
35.0 |
28.1 |
0.50+0.10 |
1.0 |
|
Ф44 |
44.0 |
36.1 |
0.50+0.10 |
1.0 |
|
Ф54 |
54.0 |
43.3 |
0.50+0.10 |
1.0 |
|
Ф66 |
66.0 |
52.9 |
0.50+0.10 |
1.0 |
|
Ф78 |
78.0 |
62.5 |
0.50+0.10 |
1.0 |
|
Ф90 |
90.0 |
72.1 |
0.50+0.10 |
1.0 |
|
Ф103 |
103 |
82.5 |
0.50+0.10 |
1.0 |
其他规格尺寸可定制
PFA 260℃ Temperature Resistant PFA Heat Shrinkable Tubing
Application
PFA heat shrinkable tubing is made of PFA with excellent high-temperature performance, chemical resistance, high insulation and excellent mechanical properties. Designed to provide insulation and mechanical protection in severe chemical and thermal environments. Widely used in electronic, aerospace, military and communication fields. Compared to PTFE tubing, PFA has excellent clarity.
Characteristics
v Shrink ratio: 1.25:1
v Excellent clarity
v High flame resistance
v High temperature resistant to 260℃
v Superior physical and chemical properties.
v ROHS and REACH compliant.
Color
v Standard color: Clear
Operating Temperature Range
v Operating temperature: -65℃～260℃
v Minimum fully recovery temperature: 350℃
Property
|
Property |
Requirement |
Test method |
Typical data |
|
Longitudinal shrinkage |
≤5％ |
ASTM D 2671 |
≤3％ |
|
Tensile strength |
17.3MPa min |
ASTM D 638 |
≥25MPa |
|
Elongation at break |
200％ min |
ASTM D 638 |
≥300％ |
|
Dielectric voltage withstand |
2500V,60sec,no breakdown |
ASTM D 2671 |
Pass |
|
Volume resistivity |
1015Ω•cm min |
ASTM D 876 |
≥1016Ω•cm |
|
Copper corrosion |
No corrosion |
ASTM D 2671 |
No corrosion |
|
Flammability |
VW-1 |
UL224 |
Pass |
|
Dielectric constant |
2.1 |
||
|
Friction coefficient |
0.1-0.2 |
Sizes
|
Size |
As supplied（mm） |
After recovered（mm） |
Standard packing（m/pc） |
|
|
Inside diameter（min） |
Inside diameter（max） |
Wall thickness |
||
|
Ф7 |
7.0 |
5.7 |
0.25+0.05 |
1.0 |
|
Ф11.5 |
11.5 |
9.3 |
0.35+0.05 |
1.0 |
|
Ф14.5 |
14.5 |
11.7 |
0.35+0.05 |
1.0 |
|
Ф19 |
19.0 |
15.3 |
0.35+0.05 |
1.0 |
|
Ф24 |
24.0 |
19.3 |
0.50+0.10 |
1.0 |
|
Ф28 |
28.0 |
22.5 |
0.50+0.10 |
1.0 |
|
Ф35 |
35.0 |
28.1 |
0.50+0.10 |
1.0 |
|
Ф44 |
44.0 |
36.1 |
0.50+0.10 |
1.0 |
|
Ф54 |
54.0 |
43.3 |
0.50+0.10 |
1.0 |
|
Ф66 |
66.0 |
52.9 |
0.50+0.10 |
1.0 |
|
Ф78 |
78.0 |
62.5 |
0.50+0.10 |
1.0 |
|
Ф90 |
90.0 |
72.1 |
0.50+0.10 |
1.0 |
|
Ф103 |
103 |
82.5 |
0.50+0.10 |
1.0 |
Other sizes are available upon request.