Some problems have troubled our users during the selection and use of double-walled heat shrinkable tubes with glue. Today, DUWAI editor is here to help everyone solve their problems and confusions.

1. Question: When many customers consult with our customer service staff, the first thing they ask is what is the sealing and waterproof performance of double-wall heat shrink tubing?

    Answer: All models and specifications of DUWAI's double-walled heat shrinkable tubes have a thick enough hot melt adhesive layer to ensure that customers are sealed, waterproof, and will not leak or corrode during use. Completely blocks the infiltration of water vapor and moisture.

2. Question: My product is irregular and has a large diameter difference. For example, the diameter of the big end is 31mm and the diameter of the small end is 8.5mm. Conventional double-wall heat shrink tubing cannot completely wrap the small end and cannot provide insulation. For protective effect, what specifications of heat shrink tubing should I choose?

    Answer: Here you can choose 4 times shrinkable double-wall heat shrinkable tube (φ32/8, 32 refers to the inner diameter before shrinkage, 8 refers to the inner diameter after complete shrinkage), which can effectively protect irregular or large size difference wires and cables .

3. Question: My product cannot be exposed to high temperatures. I use conventional double-wall heat shrink tubing. The heat shrink tubing has not completely shrunk, and the protected object has been damaged by heat.

Answer: In this case, you can choose soft, thick-glue low-temperature shrinkable double-wall heat shrinkable tubing, which can start shrinking at a minimum of 60°C, perfectly solving the problem of high temperature damage to objects.