EPOXY GLASS FIBER WINDING TUBES
High-strength electrical insulation tubes for power transformers, rail transit & industrial applications. Direct from China's largest FRP manufacturing hub.
Why Choose Our Epoxy Tubes?
Superior electrical insulation performance with exceptional mechanical strength for demanding industrial applications.
High Dielectric Strength
Excellent electrical insulation properties with breakdown voltage up to 20kV/mm, perfect for high-voltage applications.
Superior Mechanical Strength
Tensile strength ≥300MPa, flexural strength ≥400MPa. Withstands extreme mechanical stress and vibration.
Temperature Resistance
Continuous operation at 155°C (Class F), short-term up to 180°C. Excellent thermal stability for harsh environments.
Technical Specifications
Industrial Applications
Trusted by leading manufacturers across power generation, transportation, and industrial sectors worldwide.
Power Transformers
Insulation bushings and spacers for high-voltage transformers
Rail Transit
Electrical insulation for metro, high-speed rail systems
Industrial Motors
Slot liners and insulation components for electric motors
Electronic Equipment
Insulation tubes for electronic and electrical applications
Trusted by Global Partners
Real customers, real projects, real results. See why industry leaders choose WEENOOR for their critical applications.
Customer Factory Visit
German transformer manufacturer visits our production facility
Canton Fair 2024
Booth 15.2K23 - Meeting global buyers
Advanced Production
Automated winding equipment
"WEENOOR's epoxy tubes exceeded our expectations. The dielectric strength is consistent and the mechanical properties are outstanding. We've been using them in our 220kV transformers for 2 years without any issues."
"快速响应和优质产品！我们的地铁项目需要特殊规格的绝缘管，WEENOOR在7天内提供了样品，质量完全符合我们的技术要求。"
Real Customer Conversations
Hi, I need epoxy tubes for 110kV transformer application. ID 80mm, wall thickness 10mm, length 2m. Can you provide samples?
Hello! Yes, we can manufacture exactly to your specifications. Our epoxy tubes are perfect for transformer applications. I'll prepare samples within 3 days. Can you share your technical requirements document?
Excellent! I'll send the specs. Also need quotation for 500 pieces. When can you deliver?
Ready to Get Started?
Join 500+ satisfied customers worldwide. Get your free samples, technical consultation, and competitive quotation today.
Free Samples
Test our quality before ordering. Samples ready in 3-7 days.
Training Videos
Installation guides and technical training materials included.
Marketing Materials
Product catalogs, spec sheets, and marketing support for distributors.
+86 152 6282 0826 • Available 24/7 • Instant Response
Frequently Asked Questions
Get instant answers to common questions about our epoxy glass fiber winding tubes.
What's the minimum order quantity (MOQ)?
Our MOQ is flexible and depends on specifications. For standard sizes, it can be as low as 50 pieces. For custom dimensions, we typically require 100-200 pieces. Contact us to discuss your specific needs.
How long does production take?
Standard products: 7-15 days. Custom specifications: 15-25 days. Rush orders can be accommodated with additional charges. We always provide accurate delivery schedules before order confirmation.
Do you provide material certificates?
Yes, we provide complete documentation including material certificates, test reports (dielectric strength, mechanical properties), dimensional inspection reports, and compliance certificates for international standards.
Can you customize colors and dimensions?
Absolutely! We offer custom colors (with Pantone matching), special dimensions, and modified properties. Our engineering team works with you to develop products that meet your exact specifications.
What payment terms do you accept?
We accept T/T (wire transfer), L/C at sight, and for smaller orders, PayPal. Standard terms are 30% deposit, 70% before shipment. Long-term partners may qualify for extended payment terms.
Do you offer technical support after purchase?
Yes, we provide comprehensive after-sales support including installation guidance, technical consultation, troubleshooting, and replacement parts. Our technical team is available via WhatsApp, email, and video calls.
Start Your Project Today
Join hundreds of satisfied customers worldwide. Get your free consultation and samples now.