4:1 shrink tube with adhesive 

 Is a contraction ratio of 4:1, the soft wall with hot melt adhesive, flame retardant heat shrink tubing. Mainly used in all kinds of cable harness and metal connection insulation, moisture-proof. Shrink ratio: 4:1 standard color STANDAED COLOR: black; Minimum shrink temperature minimum shrink temperature: 80 ℃ fully shrink temperature full recovery temperature120 ℃ Specifications TECOHNICAL DATA 
 Test method to test the results of test items 
 Longitudinal contraction ratio - ± 10 
 Volume resistivity ASTM-D 257 ≥ 1.0 × 1014Ω · cm 
 Breakdown strength ASTM D-149 ≥ 25Kv/mm 
 Tensile strength ASTM D 2671> 13.0MPa 
 Elongation ASTM D 2671> 450% 
 Thermal shock resistance 250 ± 2 ℃ 4h does not drip not flow 
 Low temperature flexibility -55 ± 2 ℃ 4h no crack 
 Water absorption ASTM D 570 <0.5% 
 Flammability UL 224 VW-1 
 Peel strength DIN 30672 ≥ 100N/25 mm