A Short Introduction of Heat Shrink Tubing

Heat Shrink Tubing is a quite common tool in our daily life, as well as manufacturing industry. Here we'd like to a share a short introduction of this product.

1.History of Heat Shrink Tubing

In late of 1950s, Mr. Paul Cook founded Raychem Corporation and begin to produce heat shrink polymer products. Then other company like 3M, Alpha Wire, DSG-Canusa,  LG, Sumitomo etc. also enter in this industry.

2.Production process of Heat Shrink Tubing.

Compounding: The raw material ingredient granulated into small Masterbatch particle

Extrusion: The small particle extruded into primary tubes

Radiation: The primary tubes radiated by accelerator, make it has "memory"

Expansion: The tubes expanded large than prinary tubes, usually 2 times or 3 times

Packing: In spools or pre-cut into small lengths

3.Main type of Heat Shrink Tubing

Categoried by material: Including Polyolefin, PET, PVC, Viton , Neoprene,  PTFE, FEP, PVDF, ETFE  etc.

4.Main application area

Seal cable splices, connecting cable joint, insulation and waterproofing for  wire and cable, identification, neat network patch cords etc.

5.Storage condition for Heat Shrink Tubing

Heat shrink tubing should be placed in a ventilated, dry, clean warehouse. At the same time, avoid direct sunlight and other light. Also avoid rain, heavy pressure, beating and other external impacts. Indoor temperature does not exceed 30 degrees Celsius, humidity is no higher than 55%.