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 tubes, Taiwan Huayou heat-shrink tubing, Sumitomo electronic wires, and Sumitomo connectors. For other models not listed, please feel free to inquire by phone! Imported Sumitomo Heat-Shrink Tubing SUMITUBE F3 (Z) [UL224 Specification Product: Flame-Retardant Heat-Shrink Tubing with Thin Walls and Excellent Flexibility] Basic Characteristics: (1) Material: XLPE (2) Shrinkage Temperature: 90°C or higher (3) Shrinkage Rate: Inner Diameter Shrinkage ≥ 50% : Length Change Rate ≥ -15% (4) Continuous Operating Temperature: -55°C to 105°C Features: (1) UL224 specification product (2) Thin walls, shortened shrinkage time (3) Flame-retardant (4) Flexible Applications: (1) Insulation, protection, and reinforcement of wire terminals and connection points (2) Identification and connection of wires (3) Insulation and protection of resistors, capacitors, etc.