中壁热缩管的特点:
•收 缩 比: ≥2:1
•收缩速度: 快
•常用颜色: 黑(常用)
•内胶形式: 螺旋、直涂
中壁热缩管的温度范围:
•连续使用温度:-55℃~105℃
•最低起始收缩温度:80℃
•最低完全收缩温度:120℃
中壁热缩管的技术参数:
序号
|
测试项目Property
|
测试方法Test Method
|
检测结果Typical Value
|
1
|
拉伸强度Tensile Strength
|
ASTM D638
|
13 N/mm2
|
2
|
断裂伸长率Ultimate Elongation
|
ASTM D638
|
450%
|
3
|
热冲击 Heat Shock @ 250º C
|
UL 224
|
通过passes
|
4
|
低温试验 Cold Bend @ -30ºC
|
ASTM D2671
|
通过passes
|
5
|
阻燃性 Flammability
|
UL 224, VW-1
|
通过passes
|
6
|
击穿强度Dielectric Strength
|
ASTM D149
|
25kV/mm
|
7
|
体积电阻率Volume Resistivity
|
ASTM D257
|
1x1014Ω•cm
|
8
|
纵向收缩率Longitudinal Change
|
ASTM D2671
|
Inside +/-10%
|
9
|
吸水率 Water Absorption
|
ASTM D570
|
<0.5%
|
10
|
剥离强度 Peeling Strength
|
DIN 30672
|
≥125N/25
|
中壁热缩管的产品规格:
规格SIZE |
收缩前最小内径mm |
收缩后最大内径mm |
收缩后壁厚mm |
包装长度mm |
30/8 |
30 |
8 |
2.5 |
1200 |
35/12 |
35 |
12 |
2.5 |
1200 |
50/16 |
50 |
16 |
2.7 |
1200 |
63/19 |
63 |
19 |
2.7 |
1200 |
75/22 |
75 |
22 |
3.0 |
1200 |
95/25 |
95 |
25 |
3.0 |
1200 |
115/34 |
115 |
34 |
3.0 |
1200 |
140/42 |
140 |
42 |
3.0 |
1200 |
160/50 |
160 |
50 |
3.5 |
1200 |
180/60 |
180 |
60 |
3.5 |
1200 |
200/65 |
200 |
65 |
3.5 |
1200 |
235/65 |
235 |
65 |
3.5 |
1200 |
300/75 |
300 |
65 |
3.5 |
1200 |
350/75 |
350 |
65 |
3.5 |
1200 |