DWG 军标双壁热收缩套管
面议
DWG 军标双壁热收缩套管
应用
DWG由优质聚烯烃和热熔胶共挤制造而成，具有优良的物理、化学及电性能，它可将防潮密封，绝缘及机械保护一次性完成，用于需要密封防水防潮胡电线电缆、配线和连接器的绝缘保护。热熔胶与塑料、橡胶、金属有很好胡连接性能，高收缩比能对插头根部进行有效的保护。DWTM符合美军标AMS-DTL-23053/4等级3的要求，可以很好地应用于航天、军工、电子电器、汽车和通讯等很多行业中。
特性
v 高收缩比：3:1，4:1
v 优异的热熔胶和高的收缩比提供了优异的密封
v 不需要移开连接器就可以方便修补损伤的绝缘层
v 热熔胶于塑料、橡胶和金属有很好的粘接性能
v 可选用EVA热熔胶或聚酰胺（PA）热熔胶
v 符合ROHS、REACH等环保规范
颜色
v 标准颜色：黑色
v 其他颜色可定制
操作温度范围
v 连续使用温度范围：-55℃～110℃
v {zd1}起始收缩温度：80℃
v {zd1}xx收缩温度：110℃
符合标准
v SAE AMS-DTL-23053/4，Class 3
v UL224 125℃ 600V
性能指标
|
性能 |
指标要求 |
测试方法 |
典型值 |
|
纵向收缩率 |
≤10％ |
ASTM D 2671 |
≤5％ |
|
抗张强度 |
10.3MPa min |
ASTM D 638 |
≥12MPa |
|
断裂伸长率 |
200％ min |
ASTM D 638 |
≥400％ |
|
老化后断裂伸长率 (热老化175℃,168小时) |
100％ min |
ASTM D 638 |
≥300％ |
|
热冲击
|
无裂纹 |
ASTM D 2671 |
无裂纹 |
|
低温柔软性 （-55℃，4小时） |
无裂纹 |
ASTM D 2671 |
无裂纹 |
|
绝缘耐压和击穿 |
2500V,60sec,不击穿 |
ASTM D 2671 |
不击穿 |
|
体积电阻率 |
1014Ω•cm min |
ASTM D 876 |
≥1014Ω•cm |
|
腐蚀性 |
无腐蚀 |
ASTM D 2671 |
无腐蚀 |
|
阻燃性 |
30秒内自熄 |
UL224 |
通过 |
规格尺寸
|
规格 |
收缩前（mm） |
收缩后（mm） |
标准包装（m/条或m/卷） |
||
|
内径（min） |
内径（max） |
壁厚 |
胶厚 |
||
|
3:1(inch,mm) |
|||||
|
1/8(3/1) |
3.0 |
1.0 |
1.00+0.28 |
0.50 |
1.22/200 |
|
3/6(4.8/1.6) |
4.8 |
1.6 |
1.00+0.28 |
0.50 |
1.22/100 |
|
1/4(6/2) |
6.0 |
2.0 |
1.00+0.28 |
0.50 |
1.22/100 |
|
3/8(9/3) |
9.0 |
3.0 |
1.40+0.28 |
0.60 |
1.22/50 |
|
1/2(12/4) |
12.0 |
4.0 |
1.78+0.38 |
0.76 |
1.22/25 |
|
3/4(18/6) |
18.0 |
6.0 |
2.25+0.55 |
0.76 |
1.22/25 |
|
1(24/8) |
24.0 |
8.0 |
2.54+0.55 |
1.02 |
1.22/25 |
|
11/2(39/13) |
39.0 |
13.0 |
2.54+0.55 |
1.02 |
1.22/25 |
|
4:1(mm) |
|||||
|
4/1 |
4.0 |
1.0 |
1.00+0.28 |
0.50 |
1.22/100 |
|
8/2 |
8.0 |
2.0 |
1.00+0.28 |
0.50 |
1.22/50 |
|
12/3 |
12.0 |
3.0 |
1.40+0.28 |
0.60 |
1.22/25 |
|
16/4 |
16.0 |
4.0 |
1.78+0.38 |
0.76 |
1.22/25 |
|
24/6 |
24.0 |
6.0 |
2.25+0.55 |
0.76 |
1.22/25 |
|
32/8 |
32.0 |
8.0 |
2.54+0.55 |
1.02 |
1.22/25 |
|
52/13 |
52.0 |
13.0 |
2.54+0.55 |
1.02 |
1.22 |
壁厚包含胶厚
其他规格尺寸可定制
DWG Army Standard Double Wall Heat Shrinkable
Application
DWG Dual-wall adhesive-lined heat shrinkable tubing is made by co-extrusion of excellent polyolefin compounds and hot-melt adhesive with good physical , chemical and electrical properties. Environmentally seals and protects a wide variety of electrical applications, including back end connector sealing, breakout, and connector-to-cable transitions. High shrink ratio makes it possible to protect cable jackets and connectors. DWTM meets the requirements of military standard AMS-DTL-23053 class 3. It is typically used in the insulation and sealing of aerospace, military, electrical and electrical and electronic components, automotive and communication industry.
Characteristics
v Shrink ratio: 3:1, 4:1
v Good hot-melt adhesive and high expansion ratio to provide good sealing protection.
v Conveniently repair most damaged cable jackets without removing connectors.
v The adhesive bonds to a wide variety of plastics, rubbers, and metals.
v EVA hot melt adhesive or PA adhesive are available.
v ROHS and REACH compliant
Color
v Standard color: Black
v Other colors are available upon request.
Operating Temperature Range
v Operating temperature: -55℃～110℃
v Minimum shrink temperature: 80℃
v Minimum fully recovery temperature: 110℃
Approvals
v SAE AMS-DTL-23053/4，Class 3
v UL224 125℃ 600V
Property
|
Property |
Requirement |
Test method |
Typical data |
|
Longitudinal shrinkage |
≤10％ |
ASTM D 2671 |
≤5％ |
|
Tensile strength |
10.3MPa min |
ASTM D 638 |
≥12MPa |
|
Elongation at break |
200％ min |
ASTM D 638 |
≥400％ |
|
Elongation after aging （175℃,168hrs） |
100％ min |
ASTM D 638 |
≥300％ |
|
Heat shock
|
No crack |
ASTM D 2671 |
No crack |
|
Low-temperature flexibility（-55℃,4hrs） |
No crack |
ASTM D 2671 |
No crack |
|
Dielectric voltage withstand |
2500V,60sec,no breakdown |
ASTM D 2671 |
No breakdown |
|
Volume resistivity |
1014Ω•cm min |
ASTM D 876 |
≥1014Ω•cm |
|
Corrosion |
No corrosion |
ASTM D 2671 |
No corrosion |
|
Flammability |
Self-extinguishing within 30 seconds |
UL224 |
Pass |
Sizes
|
Size
|
As supplied (mm) |
After recovered(mm) |
Standard packing (m/pc,m/roll) |
||
|
Inside diameter (min) |
Inside diameter (max) |
Wall thickness |
Adhesive thickness (nominal) |
||
|
3:1(inch,mm) |
|||||
|
1/8(3/1) |
3.0 |
1.0 |
1.00+0.28 |
0.50 |
1.22/200 |
|
3/6(4.8/1.6) |
4.8 |
1.6 |
1.00+0.28 |
0.50 |
1.22/100 |
|
1/4(6/2) |
6.0 |
2.0 |
1.00+0.28 |
0.50 |
1.22/100 |
|
3/8(9/3) |
9.0 |
3.0 |
1.40+0.28 |
0.60 |
1.22/50 |
|
1/2(12/4) |
12.0 |
4.0 |
1.78+0.38 |
0.76 |
1.22/25 |
|
3/4(18/6) |
18.0 |
6.0 |
2.25+0.55 |
0.76 |
1.22/25 |
|
1(24/8) |
24.0 |
8.0 |
2.54+0.55 |
1.02 |
1.22/25 |
|
11/2(39/13) |
39.0 |
13.0 |
2.54+0.55 |
1.02 |
1.22/25 |
|
4:1(mm) |
|||||
|
4/1 |
4.0 |
1.0 |
1.00+0.28 |
0.50 |
1.22/100 |
|
8/2 |
8.0 |
2.0 |
1.00+0.28 |
0.50 |
1.22/50 |
|
12/3 |
12.0 |
3.0 |
1.40+0.28 |
0.60 |
1.22/25 |
|
16/4 |
16.0 |
4.0 |
1.78+0.38 |
0.76 |
1.22/25 |
|
24/6 |
24.0 |
6.0 |
2.25+0.55 |
0.76 |
1.22/25 |
|
32/8 |
32.0 |
8.0 |
2.54+0.55 |
1.02 |
1.22/25 |
|
52/13 |
52.0 |
13.0 |
2.54+0.55 |
1.02 |
1.22 |
Wall thickness includes adhesive thickness.
