H-Class Polyester Glass Fiber Binding Tape Resin Impregnated

H-Class Polyester Glass Fiber Binding Tape is manufactured from twisted alkali-free glass fiber impregnated with specially formulated heat-curing unsaturated polyester resin. The semi-cured open-mesh structure ensures smooth unwinding without fraying or deformation during application.

After heat curing, the resin softens, flows evenly through the fiberglass, and forms a dense, high-strength insulating layer with excellent mechanical stability and electrical insulation. Designed for Class H (200°C) insulation systems, this tape is widely used for coil binding, transformer reinforcement, motor winding, and other demanding electrical insulation applications.

Its excellent thermal endurance, strong binding force, and efficient curing performance make it an ideal insulation material for manufacturers of motors, generators, transformers, and high-voltage electrical equipment.

• High thermal class suitable for long-term operation at elevated temperatures, with good retention of mechanical strength under heat.
• Strong mechanical binding force, resistant to impact and vibration, free from magnetic hysteresis loss, and offers dependable electrical insulation.
• Easy to apply, short curing time, and stable storage life, facilitating efficient batch production.

• Winding and end‑turn binding for DC motors, traction motors, and large generators.
• Core clamping, coil fastening, and yoke plate fixing in power transformers.
• Valve element forming in lightning arresters and structural fixation of high‑voltage apparatus such as instrument transformers.