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Compound Dual Layers Heat Shrinkable Tube
Compound dual layers tube is made of insulate and semi-conductive shrinkable materials which had been processed through a special process. There is a good capacity of insulation in inner layer, and semi-conduction in outer layer. Two layers are closed each other that possessed electro-magnetic shield reliability.
Specification | Before Shrink I.D. | After Shrink I.D. | Total Layer Thickness | Length |
(mm) | (mm) | (mm) | (±0.5mm) | (mm) |
30/11 | ≧ 30 | ≦ 11 | 5 | 300~1200 |
35/13 | ≧ 35 | ≦ 13 | 5 | 300~1200 |
45/16 | ≧ 45 | ≦ 16 | 5 | 300~1200 |
55/20 | ≧ 55 | ≦ 20 | 5 | 300~1200 |
65/25 | ≧ 65 | ≦ 25 | 5 | 300~1200 |
85/30 | ≧ 85 | ≦ 30 | 7 | 300~1200 |
100/38 | ≧ 100 | ≦ 38 | 7 | 300~1200 |
120/45 | ≧ 120 | ≦ 45 | 7 | 300~1200 |
Technical Index:
Items | Test Method Inner layer/Outer layer | Index Inner layer/Outer layer |
Hardness (Shore A) | ≦ 90 | |
Tensile Strength (MPa) | GB/T1040 | ≧ 12/ ≧ 14 |
Elongation Break (%) | GB/T1040 | ≧ 300 |
Heat Aged 120 ℃ ×168h | K 1 >0.8, K 2 >0.7 | |
Volume Resistivity | GB/T1040 | ≧ 1×10 14 /50-100 |
Water Absorption | ASTM D570/ | ≦ 0.5/ |
