Sumitomo Electric designates the distribution of Sumitomo F32 flame-retardant heat shrink tubing, compliant with UL and CSA standards.

Sanhui Corporation is an authorized agent and distributor designated by Sumitomo Electric Industries, Japan, with official certification. We specialize in representing Sumitomo Japan sleeves, Taiwan Huayou heat shrink tubing, Sumitomo electronic wires, Sumitomo connectors, and other related products. For models not listed, please feel free to inquire by phone! Sumitomo Heat Shrink Sleeve (F32) Material: Cross-linked PE compound. Properties: Shrinks at temperatures above 90°C, with an inner diameter shrinkage rate of over 50%, length change rate of -5±5%, and continuous operating temperature range of -55°C to 125°C. Features: 1. Complies with UL & CSA standards. 2. Rated temperature 125°C, rated voltage 600V, flame retardant rating VW-1. 3. Suitable for insulation and protection of wire terminals and connection points. ■ In-stock color (opaque): Black. ■ Customizable (opaque): White, Red, Blue, Yellow, Green, Brown, Gray, Orange, Purple. Unit: mm | Item No. | As Supplied (Before Shrinkage) | After Shrinkage | Packing | |----------|--------------------------------|-----------------|---------| | | Inside diameter (min) | Wall Thickness | Inside diameter (max) | Wall Thickness | | F32-1 | 1.4±0.2 | 0.20 | 0.50 | 0.33 | 200 M / Roll | | F32-1.5 | 2.0±0.2 | 0.20 | 0.75 | 0.36 | | F32-2 | 2.5±0.2 | 0.20 | 1.00 | 0.44 | | F32-2.5 | 3.0±0.2 | 0.25 | 1.25 | 0.44 | | F32-3 | 3.5±0.3 | 0.25 | 1.50 | 0.44 | | F32-3.5 | 4.0±0.3 | 0.25 | 1.75 | 0.44 | | F32-4 | 4.5±0.3 | 0.25 | 2.00 | 0.44 | | F32-5 | 5.4±0.3 | 0.25 | 2.50 | 0.56 | 100 M / Roll | | F32-6 | 6.4±0.4 | 0.25 | 3.00 | 0.56 | | F32-7 | 7.4±0.4 | 0.25 | 3.50 | 0.56 | 50 M / Roll | | F32-8 | 8.4±0.4 | 0.25 | 4.00 | 0.56 | | F32-9 | 9.4±0.4 | 0.25 | 4.50 | 0.56 | | F32-10 | 10.4±0.4 | 0.25 | 5.00 | 0.56 | | F32-11 | 11.4±0.4 | 0.25 | 5.50 | 0.56 | | F32-12 | 12.4±0.4 | 0.25 | 6.00 | 0.56 | | F32-13 | 13.5±0.4 | 0.30 | 6.50 | 0.69 | | F32-14 | 14.5±0.4 | 0.30 | 7.00 | 0.69 | | F32-15 | 15.5±0.5 | 0.30 | 7.50 | 0.69 | | F32-16 | 16.8±0.5 | 0.30 | 8.00 | 0.69 | | F32-18 | 18.7±0.5 | 0.35 | 9.00 | 0.77 | | F32-20 | 21.2±0.6 | 0.35 | 10.00 | 0.77 | | F32-22 | 23.2±0.6 | 0.40 | 11.00 | 0.77 | | F32-25 | 26.1±0.8 | 0.40 | 12.50 | 0.87 | | F32-28 | 29.0±1.0 | 0.50 | 14.00 | 0.87 | | F32-30 | 32.0±1.0 | 0.50 | 15.00 | 0.87 |