Procurement teams sourcing insulation materials for industrial motors are increasingly specifying EPGC201 epoxy glass laminate sheets, looking for a structural insulator that can hold mechanical rigidity under normal operating loads while meeting established electrical safety benchmarks. This type of inquiry reflects a common engineering checkpoint in motor and switchgear design: the insulating component must support mounting stresses and electrical isolation simultaneously, without the material losing dimensional stability over years of service.
Motor manufacturers face a recurring set of constraints when selecting structural insulation. Humid operating environments can cause moisture absorption that degrades dielectric performance over time. Sustained heat generated during continuous motor operation can deform mounting plates made from lower-grade laminates. Inconsistent machining quality, meanwhile, can introduce burrs or chipping during CNC processing of slot wedges and insulating brackets, complicating downstream assembly.
Shenzhen Xiongyihua Plastic Insulation Ltd., operating under the Xiongyihua Plastic brand, supplies EPGC201 sheets, marketed as its 3240 Epoxy Glass Cloth Laminate, as part of its insulation materials product line. The sheets are manufactured from alkali-free E-glass fiberglass cloth impregnated with epoxy resin, then hot-pressed and thermally cured. According to the company, the material is produced to comply with the IEC 60893 standard under the EPGC 201 classification, which defines consistent dielectric and physical-dimension requirements for this laminate type across international markets.
The company positions EPGC201 as a Thermal Class B material rated for continuous operation up to 120°C, which it states is relevant to motor slot wedges, transformer internals and switchgear components that experience sustained heat during operation. Xiongyihua Plastic also reports water absorption below 0.5% for the laminate, a property intended to limit insulation breakdown risk in humid or oil-immersed settings such as oil-immersed transformers. The company additionally describes the material as formulated for clean punching and drilling performance, aimed at reducing delamination or tear-out when customers machine custom insulating parts from the sheet stock.
For buyers specifying flexural performance alongside electrical isolation, the practical relevance of these properties lies in how the epoxy-glass combination is intended to function: the glass cloth reinforcement is meant to provide compressive strength and stiffness, while the epoxy resin matrix is meant to deliver the dielectric barrier, allowing the laminate to serve in applications where a metal bracket would otherwise be used but electrical isolation is required. The company has not published a standalone flexural strength figure for this specific grade in its available technical material, so buyers with a defined flexural threshold are advised to confirm compliance against IEC 60893 EPGC 201 test data for the specific sheet thickness ordered.
Xiongyihua Plastic states that its insulation materials division operates alongside its wider engineering plastics business, with total production capacity of approximately 1,000 tons per month and supply ability of 100 tons per month per product line. The company offers custom CNC processing, including carving, drilling and tapping, based on customer drawings, which it positions as relevant for motor and switchgear fabricators needing finished insulating components rather than raw sheet stock.
About Shenzhen Xiongyihua Plastic Insulation Ltd.
Shenzhen Xiongyihua Plastic Insulation Ltd., trading as Xiongyihua Plastic, was founded in 2006 and is headquartered in Shenzhen, China. The company manufactures engineering plastics and electrical insulation materials, serving industrial, electronics, automotive and chemical processing customers across Asia, Europe, Australia and the Americas. It states its materials are produced from 100% virgin raw inputs and holds ISO9001, ISO14001, SGS, RoHS and CE certifications. The company describes its mission as providing "Plastic Steel" material and processing solutions that allow customers to replace traditional metal components with high-performance plastic and composite alternatives.
Media Contact
Company Name: Shenzhen Xiongyihua Plastic Insulation Ltd.
Contact Person: Ms. Shelby Luo
Email: xyh@xiongyihua-plastic.com
https://www.xyhplastic.com
Shenzhen XiongYiHua Plastic Insulation LTD
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