Sanhui Corporation is an authorized agent and distributor designated by Sumitomo Electric Industries, Ltd. of Japan, holding official agency certification. We specialize in representing products such as Japanese Sumitomo heat-shrinkable sleeves, Taiwan Huayou heat-shrink tubing, Sumitomo electronic wires, Sumitomo connectors, and more. For other models not listed, please feel free to inquire by phone! Imported Sumitomo Heat-Shrink Tubing SUMITUBE W3C [Equipped with adhesive for waterproofing on coated objects with large step differences] Basic Characteristics: (1) Material: Outer layer: XLPE Inner layer: Thermally fusible adhesive (2) Shrinkage temperature: 115°C or higher (3) Shrinkage rate: Inner diameter shrinkage rate: 60% or higher Length change rate: -15% or higher (4) Continuous operating temperature: -55°C to 105°C Features: (1) Adhesive to metals and plastics, enabling waterproof processing (2) Highly effective for waterproofing coated objects with large step differences (3) Available in transparent versions (4) Excellent flexibility (5) Adhesive layer is thicker than that of SUMITUBE O2C2 Applications: (1) Waterproofing for electronic components with large step differences (2) Treatment of wire branch points (3) Insulation protection for wire connection points Note: Before use, please verify waterproofing conditions in accordance with the application requirements.