insulation sleeving electrical special purpose

1: Winding angle, 45°~65° (winding angle can be adjusted according to different requirements to achieve better mechanical properties);

2: Fiber content (weight ratio), 70% to 75%;

3: Density, 2.00g/cm³;

4: Water absorption, less than 0.03%;

5: Axial thermal expansion coefficient, 1.8E-05 1/K;

6: Glass transition temperature, 110~120℃;

7: Chemical resistance Mineral oil: excellent;

8: Solvent and dilute acid: excellent;

9: Tensile elastic modulus, axial 14000 MPa;

10: Tensile strength: 280 MPa in the axial direction; 600 MPa in the circumferential direction;

11: Shear strength: 150 MPa;

12: Bending strength: axial 350 MPa;

13: Compressive strength: axial 240 MPa;

14: Relative dielectric constant 2-3.2;

15: Dielectric loss factor 0.003-0.015;

16: Partial discharge ≤5;

17: Dielectric strength: axial 3~6kv/mm; radial 10~12kv/mm;

18: Lightning shock: 110KV;

19: Power frequency shock: 50KV;

20: Heat resistance class: B, F, H;

21: inner diameter > 5mm; outer diameter < 300mm; length < 2000mm.


The above data is only for reference, the casing parameters we produce are customized for each customer's needs!


Contact available at : 

Jacky Shen - Sales manager 

Email:[email protected]



  • Description

Our insulation sleeving is a high-quality product specifically designed for electrical special purpose use. It offers reliable and durable protection to wires and cables in a range of applications. Made from top-grade materials, our insulation sleeving has excellent insulation properties and can withstand high temperatures, as well as abrasion, chemicals, and UV rays. We offer insulation sleeving in various sizes, colors, and materials to meet the diverse needs of our customers. Our insulation sleeving is easy to install and provides long-lasting performance, ensuring your electrical equipment remains safe and functional. With exceptional quality and value, our insulation sleeving is the perfect solution for anyone looking for reliable and durable protection for their electrical components.

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