Cold Shrink Silicone Insulation Tubing
Applications: Telecommunications: Insulating RF cables, connectors, and antenna systems., Power Distribution: Sealing joints, splices,…
Silicone Cold-Shrink & Insulating Tubing for Power Utilities
Manufactured by Centroid Polymer Technologies in Kerala, India
Cable joints and terminations on medium- and high-voltage networks fail when moisture gets in or electrical stress builds up. The sealing material has to stay tight for decades outdoors.
Centroid's silicone cold-shrink tubing installs without a torch, which makes it the safer choice in substations, confined vaults and hazardous areas. Heat-shrinkable silicone tubing and high-temperature silicone hoses round out the range for power-generation equipment.
Silicone keeps its elasticity and hydrophobic surface under UV and pollution, so seals stay tight through years of thermal cycling.
What Power & Utilities buyers need
- High dielectric strength and tracking resistance
- Torch-free installation for hazardous or confined areas
- Long-term UV, ozone and weathering resistance
- Permanent radial pressure to keep moisture out of joints
- Wide operating temperature range for outdoor networks
Standards commonly specified
- IEC 60502
- IEC 62217
- ASTM D149
- IS 7098
Compliance varies by product and compound. Ask us for the certificates and test reports for your part.
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Frequently asked questions
What is the advantage of cold shrink over heat shrink?
Cold-shrink tubing is pre-expanded and contracts when its core is removed, so no flame or heat gun is needed. That makes it safer and faster in substations, vaults and hazardous locations.
Is silicone suitable for outdoor MV/HV use?
Yes. Silicone keeps a water-repellent surface and resists UV, ozone and tracking, which is why it is widely used for outdoor insulation.
Do you supply tubing in custom sizes?
Yes. Tell us the cable range and application and we will recommend or produce the right size.
Need a custom part for power & utilities?
Send a drawing or sample and our engineers will recommend a compound and quote.
