ZTELEC FR-4 video introduction

FR-4 is a code name for a grade of flame resistant material. It means a material specification that the resin material must extinguish itself after combustion. It is not a material name but a material grade, so the current general circuit There are many types of FR-4 grade materials used in panels, but most of them are composite materials made of so-called Tera-Function epoxy resin plus filler and glass fiber.
RR4 epoxy board is also called epoxy glass cloth laminated board. It is very common in insulating materials. It is made of electronic cloth impregnated with epoxy phenolic resin and other materials, which are formed by high temperature and high pressure hot pressing. Products, have a strong mechanical processing performance, dielectric properties, high temperature resistance, moisture resistance and other properties.