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Epoxy sheet is a laminated board, which is mainly made of epoxy resin binder and paper, cotton, cloth and other substrates. There are many types of epoxy boards, including 3240 epoxy sheet, FR4 sheet, G11 epoxy sheet and G10 laminated sheet, etc. They have similar properties but differ in detail. Do you know how to distinguish these epoxy sheets? This topic will explain them to you in detail, and I believe you will have a deeper understanding after reading this topic.
| Product name | Material composition | Temperature resistance | Flame retardant |
| FR4 sheet | Electronic grade fiberglass cloth (7628) + epoxy resin | 130℃ | UL94-V0 |
| G10 sheet | 155℃ | HB | |
| G11 sheet | 180℃ | HB | |
| 3240 epoxy sheet | Alkali-free fiberglass cloth + epoxy resin | 130℃ | HB |
| Chinese name | 3240 | ||
| IEC | EPGC202 | EPGC203 | EPGC306 |
| NEMA | FR4 | G10 | G11 |
| Property | |||
| EPGC202 | Performance similar to EPGC201, flame retardation increased to UL F-V0 level. | ||
| EPGC203 | Performance similar to EPGC201, improved heat resistance, high mechanical strength at high temperature, excellent electrical and anti-static properties. | ||
| EPGC306 | Performance similar to EPGC203, improved the resistance to electric trace. | ||
ZTelec Group is a manufacturer specialized in research and development, production and sales of epoxy fiberglass cloth laminated sheet for 62 years. We have provided special insulation materials for China aerospace, which are resistant to ultra-high temperature and high pressure. So ZTelec Group material is military grade insulation material, and we have no quality problems in 62 years. We offer multiple quality assurance systems, which have won a large number of customer return orders and wide recognition.
ZTELEC GROUP has five branches and an engineering institute. The total area is 300 thousand square meters. It has its own processing workshop, production workshop, laboratory workshop.
Through the preparation of quality plan, production and process control plan, the material production makes clear the implementation provisions of key procedures, special procedures and technological procedures, and timely provides correct guidance and amendment to the technological procedures, processing points and requirements during production.
Sound processing technology and quality assurance plan relieves the customers’ worries in the future. Mature research and development, production, sales and after-sales service system ensure the processing technology and quality of the electrical insulation materials.
Mumbai, Indian customers visited the G11 epoxy sheet at ZTelec Group on June 16, 2019.
The Malaysia customer gave us a high evaluation and reached a cooperation intention on G11 epoxy glass.
Indian customers expressed their appreciation for our great attention to the production of Indian FR4 epoxy rods flat availability products.
