FR4 Epoxy Resin Sheet Insulation Board for High Voltage Epoxy Fiberglass Sheet lithium-ion Battery Pack manufacturer

As a professional manufacturer of high-performance insulation materials, we take pride in our FR4 Epoxy Resin Sheet. This Epoxy Resin Sheet is specifically engineered for high-voltage environments and lithium-ion battery packs. Its core advantage lies in its outstanding electrical insulation properties, including high dielectric strength and superior arc resistance, ensuring critical safety in dense battery modules. Additionally, this Epoxy Resin Sheet offers excellent mechanical strength, low moisture absorption, and flame-retardant performance (UL94 V-0), making it the ideal structural and insulating component for high-voltage epoxy fiberglass applications in modern energy storage systems.

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PRODUCTS

YEAR

Established In 2007

㎡

Production Facility 16000 ㎡

Monthly Production: 100+ Tonnes

ABOUT US

Guangdong Weishi New Materials Co., Ltd. is a modern composite materials manufacturer integrating production and trade. Founded in October 2007 in Heyuan's financial eco - city, the factory covers 20 acres with a building area of over 16,000㎡ and has three standard workshops. Over 18 years, it has grown to have 10 engineers, 60+ technical staff, and a monthly output of 100+ tons.

As one of Guangdong's early composite materials producers, it mainly makes FR4 fiberglass, epoxy resin, anti - static, copper - clad, high - performance dense, and engineering plastic sheets, which are widely used in electronics, electrical equipment, and machinery. The sheets meet or exceed international standards in flatness, thickness tolerance, heat resistance, and electrical resistance. Adhering to the "Integrity, Quality, Service, Innovation" concept, it strives to offer high - quality products and efficient services.

QUALITY CERTIFICATION

With a focus on providing consumers with convenient and efficient home solutions, we have established a strong presence in the market and gained recognition for our high-quality products and exceptional customer service.

APPLICATION FIELDS

CUSTOMER CASES

News

INDUSTRY

October 12, 2026

Phenolic Board Vs FR4 for Low-Cost Electrical Insulation

Compare phenolic board vs FR4 for low-cost electrical insulation. Explore grade differences, dielectric strength, moisture resistance, flame ratings, machining, and total cost. Use typical material data and a practical checklist to choose insulation that matches your application requirements.

October 14, 2026

Epoxy Glass Sheet Vs G10 for Industrial Saw Guides

Compare epoxy glass sheet vs G10 for industrial saw guides. Explore material differences, structural requirements, blade-contact risks, machining practices, and qualification steps to choose a documented laminate based on application needs, reliable testing, and long-term operating value.

October 08, 2026

Top G10 Epoxy Sheet Manufacturers And Suppliers in UK 2026 Updated Expert Selection Guide

This 2026 guide reviews leading G10 epoxy sheet manufacturers and suppliers serving the UK market. It compares material capability, supply flexibility, machining support, certifications, MOQ considerations, and sourcing models while helping procurement teams identify reliable long-term partners for electrical insulation and engineered composite applications.

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