Shanghai spot copper price chart August 30 The outer layer of double wall heat shrinkable casing is made of high quality polyolefin alloy and the inner layer is made of hot melt adhesive. After molding, the product is crosslinked and continuously expanded by electron accelerator irradiation.
The outer layer has the advantages of softness, low temperature shrinkage, insulation, anti-corrosion and wear resistance, while the inner layer has the advantages of low melting point, good adhesion, waterproof sealing and mechanical strain buffering.
Widely used in electronic equipment wiring waterproof, leakproof, multi-strand wire harness sealing waterproof (such as home appliance wiring harness, automotive wiring harness, etc.), wire and cable branch sealing waterproof, metal pipeline corrosion protection, wire and cable repair, water pump and submersible pump wiring waterproof and other occasions.
Double wall heat shrinkable casing is produced by double layer co-extrusion process of polyolefin halogen-free flame retardant material and hot melt adhesive.
The outer layer is polyolefin, which has the characteristics of insulation, halogen-free flame retardant and low temperature shrinkage. The inner layer of hot melt adhesive has the advantages of low melting point, good adhesion, waterproof sealing and mechanical strain buffer.
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