CPA-100 Adhesive Heat Shrink — 3/16″, Black, 3:1 Ratio
The CPA-100 3/16″ Adhesive Lined Heat Shrink, Black, 3:1 — SKU: CPA-100-3/16-BK is a dual-wall heat-shrink tubing with an inner adhesive liner that melts during shrinking to form a waterproof, strain-relieving seal. Designed for motorsport harness builds across Norway, Sweden, and Denmark where sealed, durable termination and splice coverage is required.
Size and Ratio — 3/16″ (4.8mm), 3:1 Shrink Ratio
At 3/16″ (4.8mm) pre-shrink and 3:1 ratio, suited to small wire bundle connector entries, sensor wire terminations, and sealed splice points on small-gauge wires. The high 3:1 shrink ratio gives greater flexibility over a wider range of wire and bundle diameters than standard 2:1 heat-shrink — the correct choice for connector entries with varied wire diameters and irregular cross-section terminations.
Adhesive Inner Liner — Waterproof Sealed Coverage
The inner liner liquefies as the tubing shrinks, flowing into gaps around the wire or bundle and setting to a firm, watertight seal when cooled. Prevents fluid ingress, moisture wicking along the wire insulation, and vibration-induced wear at termination points. Black colour provides a clean, discreet finish consistent with professional motorsport harness presentation. Used by motorsport harness builders across Norway, Sweden, and Denmark.
Technical Specifications — CPA-100-3/16-BK
- Type: CPA-100 Dual-Wall Adhesive Lined Heat Shrink
- Size: 3/16″ (4.8mm nominal pre-shrink)
- Shrink ratio: 3:1
- Colour: Black
- Inner liner: Adhesive — waterproof seal on shrinking
- Application: Small wire bundle connector entries, sensor wire terminations, and sealed splice points on small-gauge wires
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