EPDM Cold Shrink End Cap

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EPDM Cold Shrink End Cap

No Heat Needed, Moisture Sealing, For Cable Ends

Application      

Colnex-EC EPDM cold shrink end cap is made from highly weather-resistant EPDM rubber, engineered specifically for insulation and sealing protection of cable ends. During installation, simply remove the plastic core and the end cap contracts tightly onto the cable, providing secure coverage without the need for tools or heat—even in confined or fire-restricted spaces. It is widely used for all types of cable terminations, effectively preventing moisture and contamination, and ensuring long-term operational reliability. Colnex-EC is the preferred solution for dependable sealing and insulation of cable ends.


Features and Benefits

• Made of highly weather-resistant EPDM rubber, UV and acid/alkali resistant 

• No heating or tools required, fast and easy installation, suitable for confined or fire-restricted areas

• Excellent mechanical and electrical properties ensures reliableinsulation and sealing for cable ends 

• Effectively prevents moisture and contamination, ensures long-term cable reliability 


PropertyRequirementTest MethodTypical Data
Operating Temperature//-55℃ to +150℃
Storage life recommended//1 year
HardnessShore A46ASTM D 2240Shore A46
Tensile strength≥9.8MPaASTM D 412≥9.8MPa
Elongation at break≥720%ASTM D 412≥720%
Tear Strength≥25KN/mASTM D 412≥35KN/m
Fungus ResistanceNo growthASTM G21 28 days exposureNo growth
Water absorptionWt Gain 1.3%24hrs in water at 90°CWt Gain 1.3%


Product Dimension


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Table A. Product Dimensions
Part No.As supplied (mm)After recovered(mm)Application  Range (mm)
I.D. (D)Length
Colnex-EC-25256011.6~20.9
Colnex-EC-35357515.9~30.1
Colnex-EC-55558226~49.2
Colnex-EC-909010045.2~84.3


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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