3M Cold Shrink End Cap EC-4 — Sealing and Protection
The 3M Cold Shrink End Cap EC-4 is a closed-end, tubular EPDM rubber cap, factory-expanded and assembled onto a removable core. The product's function is to create an environmental seal and mechanical protection at the ends of cables, pipes, or other cylindrical objects. Installation requires no tools; the removable core is pulled out during unwinding, leaving a tight EPDM cap without the need for mastic or tape.
Material and Resistance
The material is EPDM rubber. According to the verified manufacturer's text, the product resists water, alkalis, acids, abrasion, and ozone, supporting its use for moisture sealing and physical protection.
Documentation
Further technical information and product series details can be found in the manufacturer's data sheet: View data sheet from manufacturer.
Typical Applications
The product's application is indicated in the manufacturer's material and includes:
- Moisture sealing of cables, pipes, or other cylindrical objects
- Mechanical protection of cable or pipe ends
Specifications
- Product: 3M Cold Shrink End Cap EC-4
- Manufacturer: 3M
- Material: EPDM (tubular rubber cap, factory-expanded on removable core)
- Internal diameter before contraction: 84.3 mm
- Internal diameter after contraction: 45.5 mm
- Usage range: 1.79–3.32 in / 45.5–84.3 mm
- Resistance: Water, alkalis, acids, abrasion, and ozone
- Installation: No tools required; removable core unwound and removed; no mastic or tape needed
- Packaging: Supplied as 10 pcs per box (indicated on manufacturer's product page)
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