... 1,4:1)Dual wall adhesive heat shrink tube .Good mechnical,electrical&chemical properties; .Adhesive has good stickness (3:1,4:1)Dual wall adhesive heat shrink tubeApplication 1 ... .This is a flexible, flame-retardant, dual wall, high ... without removing connectors.Features1) Shrink ratio: 3:1, 4:1 2) Environmentally seals and protects components, ...