Skip to Content

3:1 shrink ratio - 3.2mm Adhesive Lined Heat Shrink Tubing (Black)

The 3:1 ratio - 3.2mm adhesive-lined heat shrink is a versatile, dual-wall polyolefin tubing engineered to provide reliable environmental sealing, electrical insulation, and mechanical strain relief.

Sold by the metre.

  • Type: Dual-wall adhesive-lined heat shrink tubing
  • Length: Sold by the metre
  • Colour: Black
  • Function: Provides insulation, strain relief, and environmental sealing against moisture, water, and corrosion for electrical splices and wire terminations.
  • Design: Flexible outer cross-linked polyolefin wall with an internal layer of hot melt adhesive that melts and flows when heated to form a watertight seal.
  • Size: 3.2mm expanded inner diameter. Shrinks to 1mm.
  • Ends: open tubular sleeve
  • Protection: Flame-retardant overwall
  • Application: Wire harness sealing, cable repair, automotive and marine wiring, heavy-duty electrical splices and outdoor electronic protection
  • Manufacturer: Woer
MPN: SBRS-(3X)G SKU: 6-44451 Datasheet: Data Sheet
Volume Discounts
Min. Qty Price
1+ units £ 0.35
10+ units £ 0.32
25+ units £ 0.31
50+ units £ 0.33
100+ units £ 0.30
£ 0.35 £ 0.35
£ 0.35

Terms and Conditions
UK shipping £6.50 next day delivery as standard. 
Our shop is currently for UK-based orders only. For international shipping please contact us for a quote.