Premium Material: Our industrial heat-shrink tubing for wires made of polyethylene, shrinkage ratio: 2:1, and makes a tight seal.Easy To Use,Choose the right size you need and simply slide shrinking tubes over your connection point and apply heat around. Size:3mm / 1/8" Dia; 30mm / 1.2" Long;Wall thickness before contraction: 0.2mm ± 0.05mm;Wall thickness after contraction: 0.4mm ± 0.05mm;Color : Black Temperature Range:-30~125℃, Shrinkage temperature: initial 100℃, complete shrinkage 110℃; Voltage used: 1000V; Tensile strength: 12MPA;Shrinkage ratio: 2:1,Inner diameter before contraction ≥ 3mm, inner diameter after contraction ≤ 1.5mm Widely used:Shrink tube are mainly used for industrial repair, ship, automotive, wire links, anti-rust and anti-corrosion protection of solder joints, and audio and electrical DIY, Wire ends, harnesses, electronics protection and insulation treatment so on. Package Content: 300pcs x Heat Shrink Tubing Descriptions:
 This heat shrink tube is best for cord connection, solder joint protection, connectors sealing, group lines marking, resistance electric capacity insulation protection etc.

 Specifications:
 Material: Polyethylene
 Color: Black
 Shrinkage rate: 2:1 ( will maximum shrink to 1/2 of its supplied diameter )
 Operating Temperature: -35 to 125 Degree Celsius
 Before Shrink Dia : 3mm/0.12"
Length ( approx.): 30mm / 1.2"

Package Content:
 300pcs x Heat Shrink Tubing

 How To Use:
1. Choose the right size ,Measure the diameter of code/cable you want to wrap, make sure the diameter is equal to the size of heat shrink tube after shrink, because the tube will shrink up to 1/2 of original diameter after heating.wrap the code with the tube, use a lighter, hair dryer or heat gun to heat the tube, Untiln the code is wrapped Ytightly.