EPDM Cold Shrink Tubing

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EPDM Cold Shrink Tubing

No Heat Required, EPDM Elastic

Application

Colnex-EP cold shrink tube is made from weather-resistant EPDM rubber, pre-expanded on a removable plastic core. During installation, simply remove the core, and the tube immediately contracts to form a tight, protective seal around cable joints—no heat or special tools required. This enables rapid, safe application even in confined or fire-restricted environments. Widely used for insulation and sealing of overhead or buried power cables and base station connectors under 1kV, Colnex-EP is the optimal solution for users seeking reliable protection and efficient installation.

         

Features and Benefits

• Shrink ratio ≈2:1 

• Weather-resistant EPDM rubber, UV and acid/alkali resistant 

• No heating or tools required, fast and easy installation 

• Excellent mechanical and electrical properties 

• Suitable for confined or fire-restricted areas


PropertyRequirementTest MethodTypical Data
Operating Temperature//-55℃ to +150℃
Storage life recommended//1 year
HardnessShore A46ASTM D 2240Shore A46
Tensile strength≥7.5MPaASTM D 412≥7.5MPa
Elongation at break≥670%ASTM D 412≥670%
Water absorptionWT Gain 1.3%24hrs in water at 90℃WT Gain 1.3%
Dielectric strength≥8kV/mmASTM D 149≥8kV/mm


Product Dimension


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Table A. Product Dimensions
Shrink RatioPart No.Size
(Φ mm)
As supplied (mm)After recovered(mm)
I.D.min (D)I.D.max (d)Length
2:1Colnex-EP-21205212110.2205
Colnex-EP-30229303013.9229
Colnex-EP-30279303013.9279
Colnex-EP-36305363616.8305
Colnex-EP-49152494924152
Colnex-EP-49305494924305
Colnex-EP-49457494924457
Colnex-EP-70229707032.2229
Colnex-EP-70457707032.2457


Custom sizes and colors are available upon request. Technical specifications are subject to change without prior notice. Minimum order quantities (MOQ) may differ from standard packaging quantities.


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