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EPDM rubber cable electrical insulation sleeve cold shrink tube cold shrinkable tubing similar to 3M 8427-6, 8427-12, 8427-16

EPDM Cold Shrink Tubes are designed to provide a quick and easy method for protecting and sealing for an inline connection, terminal lug, etc., cold shrink tubing is an open-ended tubular rubber sleeve which is factory expanded and assembled onto a removable core.
The core is removed after the tube has been positioned for installation, allowing the tube to shrink and form a water-resistant seal.
Cold shrink tube are made from EPDM rubber which does not contain chlorides or sulfur.
If the cable diameter is out of application range, a foam tape will been included is to increase the smallest cable diameter and assure the sealing of the clod shrink tube.

• Simple installation; requires no tools,No torches or heat required.
• Accommodates a wide range of cable sizes
• Good thermal stability
• Seals tight; retains its resiliency and pressure even after prolonged years of aging and exposure
• Excellent wet electrical properties
• Tough rubber formulation withstands backfilling
• No mastic or tape required to seal
• Resists acids and alkalis; resists ozone
• Voltage classes: 1000V

Item No.: ECS40X152, ECS40X305, ECS40X406
Material: EPDM rubber
Include: tube x1
Inner diameter of plastic core as supplied-D2: 40 mm
Length after full shrink (nothing inside)-L: 152/305/406 mm
Length as supplied-L1: 140 / 290 / 395 ±10 mm
Application range: 17.5-33 mm

Sheath repairs
moisture sealing
Physical protection
Splicing of all 1000 volts or less inline power cables
Primary electrical insulation for wire and cable rated to 1KV
Installation instructions.

Test item | Test Standard | Unit | Value | |
Dielectric Strength | GB/T 1695-2005 | kV/mm | 17.16 | |
Waterproof Rate | ISO 20653:2013 | ------ | IP68 | |
Shore Hardness | GB/T 531.1-2008 | Shore A | 44 | |
Tear Strength | GB/T 529-2008 | kN/m | 28 | |
Tensile strength | ISO 37:2011 | Mpa | 9.31 | |
Elongation at Break | ISO 37:2011 | % | 720 | |
Light Ageing-UV Eposure | ASTM G154-12a Cycle 1 | 1000h exposure duration with Lamp type: UVA-340 / 8h UV at(60±3)℃ BPT, 0.89W/(m2.nm)@340nm / 4h condensation at (50±3)℃ BPT | ||
Ozone Aging | ISO 7326:2006 Method 1 | Pretreatment temperature: (23±2) ℃/ Pretreatment period: 48h/ Testing temperature: (40±2)℃ /Ozong concentration: (50±5)pphm. | ||
Selection Table.

* If you need other size, please feel free let us know.




Silicone Cold Shrink Tube EPDM Cold Shrink Tube Cold Shrink End Cap Cold Shrink Breakout


* Inquiry and consulting support.
* Sample support.
* Customized is available.
* Installation and technical support.
* Product replacement if have quality problem.
* Customer information is not disclosed.

Our usual packing is export carton with tape and packing belt, pallet packing or other packing is also available by your requirement.
Sample usually delivery by DHL,TNT,FedEx,UPS, batch cargo delivery by air or sea, other transport mode is available .
Q1. What is your terms of payment?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shipment (Conventional products).
Q2. What is your terms of delivery?
A: EXW, FOB, CFR, CIF, DDU.
Q3. How about your delivery time?
A: Generally it is 3-5 days if the goods are in stock. or it is 7-10 days if the goods are not in stock, it is according to quantity.
Q4. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.
Q5. What is your sample policy?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q6. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery
Q7: How do you make our business long-term and good relationship?
A: 1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.
If you have another question, pls feel free to contact us.
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