Volsun Silicone Rubber Coated Fiberglass Sleeving – FAQ

1. What is silicone rubber coated fiberglass sleeving used for?

Silicone rubber coated fiberglass sleeving is a high temperature insulation sleeve designed for protecting wires, cables, and components in extreme environments. It is widely used as an electrical insulation sleeving solution in EVs, motors, transformers, and industrial equipment.

2. What is the temperature rating of silicone fiberglass sleeving?

Volsun silicone fiberglass sleeving offers a wide operating temperature range from -40°C to 200°C, making it an ideal high temperature fiberglass insulation tube for demanding applications.

3. What are the advantages of silicone coated fiberglass sleeving?

This fiberglass insulation sleeve provides excellent heat resistance, electrical insulation, flame retardancy, flexibility, and aging resistance, making it superior to standard PVC or PET sleeving.

4. What voltage ratings are available for fiberglass sleeving?

Our electrical insulation fiberglass sleeving is available in multiple dielectric strength levels, including 1.5kV, 2.5kV, 4kV, and 7kV, meeting different insulation requirements.

5. Is this fiberglass sleeving flame retardant?

Yes, Volsun silicone rubber fiberglass sleeving meets UL94 HB flame retardant standards, ensuring reliable fire-resistant cable protection.

6. Does the sleeving comply with international certifications?

Our silicone fiberglass insulation tubes comply with RoHS and REACH standards and are manufactured under ISO 9001 and IATF 16949 certified systems, ensuring global compliance.

7. Can I customize silicone fiberglass sleeving specifications?

Yes, as a professional fiberglass sleeving manufacturer, Volsun offers custom inner diameters, wall thickness, colors, cutting lengths, and packaging solutions to meet OEM requirements.

8. What sizes are available for fiberglass insulation sleeving?

We supply a wide range of fiberglass sleeving sizes from Φ2.0mm to Φ25mm, suitable for various wire harness and cable insulation applications.

9. What industries use silicone fiberglass sleeving?

Our high temperature insulation sleeving is widely used in automotive, electric vehicles (EV), rail transit, aerospace, and industrial electrical systems.

10. How durable is silicone coated fiberglass sleeving?

This high performance fiberglass sleeving offers strong tear resistance, excellent flexibility, and long-term thermal aging resistance, ensuring durability in harsh environments.

11. Does the silicone coating peel or crack over time?

No, Volsun’s silicone coated fiberglass sleeve features strong adhesion and stable performance, with no cracking, delamination, or coating displacement under normal conditions.

12. Can I request samples from your fiberglass sleeving factory?

Yes, we provide free samples of silicone fiberglass sleeving for quality evaluation before bulk purchase.

13. Are you a direct fiberglass sleeving manufacturer or trading company?

Volsun is a professional fiberglass insulation sleeving manufacturer with a 25,000㎡ production facility, ensuring stable quality and competitive factory pricing.

14. What is the lead time for bulk orders?

As an experienced fiberglass sleeving supplier, we ensure fast production cycles and on-time delivery, even for large-volume OEM orders.

15. Why choose Volsun silicone fiberglass sleeving?

Volsun is a reliable silicone fiberglass sleeving manufacturer offering certified high temperature insulation sleeving (UL, RoHS, REACH), stable quality, OEM customization, free samples, and fast delivery—ideal for global B2B sourcing.