CPA-100 Adhesive Heat Shrink — 1″, Red, 3:1 Ratio
The CPA-100 1″ Adhesive Lined Heat Shrink, Red, 3:1 — SKU: CPA-100-1-RED 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 — 1″ (25.4mm), 3:1 Shrink Ratio
At 1″ (25.4mm) pre-shrink and 3:1 ratio, suited to large primary loom bundle sealing transitions and connector backshell coverage on major harness section joins. 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. Red colour allows quick visual identification of sealed splice and termination points in a race car harness. Used by motorsport harness builders across Norway, Sweden, and Denmark.
Technical Specifications — CPA-100-1-RED
- Type: CPA-100 Dual-Wall Adhesive Lined Heat Shrink
- Size: 1″ (25.4mm nominal pre-shrink)
- Shrink ratio: 3:1
- Colour: Red
- Inner liner: Adhesive — waterproof seal on shrinking
- Application: Large primary loom bundle sealing transitions and connector backshell coverage on major harness section joins
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