Epoxy Coated Fiber Mesh Fabric

Epoxy coated fiber mesh fabric is an insulation fixing material with a special structure. It adopts glass fiber mesh cloth as the substrate coated with B-stage semi-cured epoxy resin, appearing as a semi-cured sheet with regular square mesh holes. Unlike solid prepreg, the uniform through-holes in the mesh enable smooth insulation resin flow during vacuum impregnation processes, avoiding resin penetration blockages caused by solid materials. Meanwhile, epoxy resin on the mesh melts and cures upon heating to bond windings and insulation materials together, delivering dual functions of fixation and reinforcement.

End fixation of large motor stator windings has long been a labor-intensive process under traditional rope hand-binding methods with low efficiency and inconsistent quality. A large motor manufacturer contacted us with two workers dedicated solely to binding on each production line, incurring high labor costs. We recommended epoxy mesh fabric: wrapping winding ends with the mesh followed by heating enables winding forming through epoxy melting and curing, cutting labor input by 70% and boosting production efficiency threefold. While material costs rise slightly, overall total costs drop by approximately 30%. Multiple mesh size specifications are available including 3mm×3mm, 5mm×5mm and 10mm×10mm, selectable based on winding thickness and impregnation process requirements.

• End insulation fixation of motor windings
• Coil binding and reinforcement of transformers
• Reinforcement layers of insulation structural parts
• Insulation fixation for vacuum impregnation processes
• All insulation scenarios requiring air permeability and resin flow channels

Epoxy mesh fabric offers rich customization dimensions. Mesh sizes range from 3mm to 10mm: larger holes deliver superior air permeability, while smaller holes provide expanded bonding areas. Resin coating thickness ranges from 0.05mm to 0.2mm: thicker coatings enhance adhesion at the cost of reduced flexibility. We can recommend the optimal parameter combination tailored to your specific working conditions including winding diameter, impregnation method and curing temperature. Width ranges from narrow strips to 1600mm full width, and we can cut sheets to designated lengths. OEM services are fully supported with packaging and label content customized to your demands. Free small samples are provided for testing prior to bulk orders.

Epoxy mesh fabric is a B-stage semi-cured product imposing certain temperature storage requirements. Our three-layer packaging structure consists of an inner moisture-proof PE film sealing layer, middle hard paper tube support for rolled products to prevent flattening, and outer corrugated carton reinforcement to resist extrusion deformation during transit. It remains performance-stable under room-temperature transportation for 7-10 days, with ice packs added during high-temperature summer shipments. Upon arrival, store goods in cool, dry areas away from direct sunlight and high temperatures; long-term storage requires environments below 25℃. Clear labels affixed to each package indicate specifications, batch numbers, production dates and storage precautions. Trade terms EXW and FOB are supported with convenient shipment from Wenzhou Port.

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