Epoxy board
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Introduction
Our company has long been supplying 3240 and FR-4 insulated epoxy boards. FR-4 is a code for a grade of flame-resistant materials, which means a material specification that resin materials must be able to extinguish by themselves after burning. It is not a material name, but a material grade. There are many types of FR-4 grade materials used in boards, but most of them are composite materials made of so-called Tera-Function epoxy resin with filler and glass fiber. FR-4 is a material standard stipulated by NEMA (American Electrical Manufacturers Association). The corresponding IEC International Electrotechnical Commission standard is EPGC202. There is no domestic standard that corresponds to it. The closest domestic standard is 3240 For oxygen laminated glass cloth board, the corresponding IEC International Electrotechnical Commission standard for 3240 is EPGC201, and there is only a difference in flame retardancy between EPGC201 and EPGC202. Therefore, it can be simply considered that FR-4 is an improved product with enhanced flame retardancy of 3240. Our 3240 and FR-4 insulating epoxy boards are mainly used in products with high performance electrical insulation requirements, such as FPC reinforcement boards, PCB drilling pads, glass fiber mesons, precision test boards, and electrical (electrical) equipment insulation Support spacer, insulation pad, high-voltage insulation board, motor insulation, electronic switch insulation, jig fixture test stand, PCB test, and can be used in transformers under humid environmental conditions, can also be used for touch-frequency chip Precision precision planetary gears (grinding gears), etc. Welcome to contact our company for business consultation and provide free sample testing.
