Features of double wall heat-shrink tubes: - 3:1 shrink ratio, suitable for insulation and sealing of irregular shapes; - Medium wall thickness improves mechanical protection strength while maintaining flexibility; - The adhesive layer can bond plastic, rubber and metal; - The initial shrinkage temperature is 70℃, and the complete shrinkage temperature is 125℃; - Melting temperature of inner layer: 70℃-100℃; - Working temperature range: -40℃～125℃ https://elecena.pl/product/22627010/3-1-double-wall-heat-shrink-tube-black 2023-02-23 https://elecena.pl/product/22627010/3-1-double-wall-heat-shrink-tube-black 2025-10-28