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EPDM cold shrink tubes

EPDM cold shrink tubes

Product Description

EPDM Cold Shrink Tubes, deliver fast, secure, and long-lasting cable insulation without heat, flame, or special tools. Pre-expanded on a removable core, the tube instantly contracts when installed, forming a tight, weather-proof seal. Manufactured from premium EPDM (Ethylene Propylene Diene Monomer) rubber, these cold shrink tubes are engineered for durability, safety, and dependable performance in demanding electrical and industrial applications. Ideal for use in heavy-duty tools, industrial equipment, and other tools that require secure, comfortable handling

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Key Features

  • No Heat, No Risk – Cold shrink technology eliminates open flames and heat guns

  • Instant Fit – Strong recovery force ensures consistent pressure and sealing

  • All-Weather Performance – Resistant to UV, ozone, moisture, and pollution

  • Long Service Life – EPDM rubber maintains flexibility and sealing power over time

  • Universal Compatibility – Conforms easily to cables, connectors, and irregular shapes

  • High dielectric strength for dependable electrical insulation

  • Excellent elasticity and tear resistance

  • Stable operation across extreme temperature ranges

  • Moisture-tight sealing to prevent corrosion and electrical failure

Part No As supplied D1 (mm) After Shrinkage D2 (mm) Application D-Min (mm) Application D-Max (mm) Thickness after shrinkage (mm) Length after shrinkage (mm)
CSTE25-8 Φ25 Φ9 10.0 20.0 4 203
CSTE25-11 Φ25 Φ9 10.0 20.0 4 280
CSTE35-6 Φ35 Φ11 14.0 30.0 4 152
CSTE35-8 Φ35 Φ11 14.0 30.0 4 203
CSTE35-9 Φ35 Φ11 14.0 30.0 4 230
CSTE35-11 Φ35 Φ11 14.0 30.0 4 280
CSTE40-6 Φ40 Φ13 17.5 33.0 4 152
CSTE40-8 Φ40 Φ13 17.5 33.0 4 203
CSTE40-10 Φ40 Φ13 17.5 33.0 4 254
CSTE40-12 Φ40 Φ13 17.5 33.0 4 305
CSTE40-16 Φ40 Φ13 17.5 33.0 4 406
CSTE40-18 Φ40 Φ13 17.5 33.0 4 457
CSTE53-6 Φ53 Φ18 25.0 46.0 4 152
CSTE53-7 Φ53 Φ18 25.0 46.0 4 180
CSTE53-8 Φ53 Φ18 25.0 46.0 4 203
CSTE53-10 Φ53 Φ18 25.0 46.0 4 254
CSTE53-12 Φ53 Φ18 25.0 46.0 4 305
CSTE53-18 Φ53 Φ18 25.0 46.0 4 457
CSTE60-10 Φ60 Φ22 28 51.0 4 254
CSTE70-6 Φ70 Φ24 32.0 63.0 4 152
CSTE70-7 Φ70 Φ24 32.0 63.0 4 180
CSTE70-9 Φ70 Φ24 32.0 63.0 4 230
CSTE70-12 Φ70 Φ24 32.0 63.0 4 305
CSTE70-13 Φ70 Φ24 32.0 63.0 4 330
CSTE70-14 Φ70 Φ24 32.0 63.0 4 355
CSTE70-18 Φ70 Φ24 32.0 63.0 4 457
CSTE80-13 Φ80 Φ28 38 70.0 4 325
CSTE104-8 Φ104 Φ33 43.0 94.0 4 203
CSTE104-9 Φ104 Φ33 43.0 94.0 4 229
 

Applications

  • Low & medium voltage cable insulation

  • Cable joints, splices, and terminations

  • Outdoor electrical and communication systems

  • Industrial power distribution and maintenance

  • Renewable energy and infrastructure projects

Key Features

Material

  • Body: EPDM (Ethylene Propylene Diene Monomer) Rubber

  • Support Core: Removable plastic spiral core

Electrical Properties

  • Dielectric Strength: ≥ 20 kV/mm

  • Volume Resistivity: ≥ 1 × 10¹⁴ Ω·cm

  • Insulation Resistance: High, stable under humid conditions

Mechanical Properties

  • Tensile Strength: ≥ 8 MPa

  • Elongation at Break: ≥ 400%

  • Shrink Ratio: Designed to accommodate a wide cable diameter range

Thermal Properties

  • Operating Temperature: –40°C to +105°C

  • Short-Term Overload Temperature: Up to +130°C

Installation

  1. Place the cold shrink tube over the handle.

  2. Ensure correct positioning.

  3. Pull out the plastic support core in a continuous motion.

  4. The end cap shrinks automatically to form a tight seal.

Packaging details

Diameter( before shrinkage)

Ø104, Ø25, Ø35, Ø40, Ø45, Ø50, Ø53, Ø60, Ø65, Ø70
length ( after shrinkage)

152mm (6"), 180mm(7"), 203mm(8"), 230mm(9"), 305mm(12"), 406mm(16"), 457mm(18")

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Price range: $2.50 through $18.00Select options
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