Fiberglass board, also known as fiberglass board, is generally used for soft-packing base layer, and then wrapped with fabric, leather, etc., to make beautiful wall and ceiling decoration. The application is very extensive. It has the characteristics of sound absorption, sound insulation, heat insulation, environmental protection and flame retardant.
Fiberglass board alias: fiberglass insulation board, glass fiber board (FR-4), glass fiber composite board, etc., is made of glass fiber material and high heat resistance composite material, and does not contain harmful asbestos components. It has high mechanical and dielectric properties, good heat resistance and moisture resistance, and good processability. Used in plastic molds, injection molds, machinery manufacturing, molding machines, drilling machines, injection molding machines, motors, PCBs, ICT fixtures, countertop polishing pads.
Injection mold molding usually requires: high temperature materials and low temperature molds. Insulation methods must be used in the same machine. Keeping the injection mold at a low temperature does not make the temperature of the injection molding machine too high. This requirement can be met by installing an insulating insulation panel between the injection molding and the injection molding machine. Shorten the production cycle, increase productivity, reduce energy consumption, and improve the quality of finished products. The continuous production process ensures stable product quality, prevents overheating of the machine, no electrical failure, and no oil leakage in the hydraulic system.
Plywood with a glass rod dimension adhered to the surface of the fiberglass board is manufactured under high temperature and high pressure, and its outer surface has high quality moisture resistance. This type of board is suitable for use in the manufacture of containers. Available in sizes up to 3,658 mm, the board can be any size up to 12 meters. The glass fiber content is 25-40% by weight. The standard colors are gray and sub-white. The board can be cleaned with steam.
Fiberglass board features
Main technical features and applications of white FR4 light board: stable electrical insulation performance, good flatness, smooth surface, no pits, thickness tolerance exceeding standard, suitable for high performance electronic insulation requirements, such as FPC reinforcing board, tin furnace High temperature resistant board, carbon film, precision star wheel, PCB test stand, electrical (electrical) equipment insulation partition, insulation pad, transformer insulation, motor insulation, deflection coil terminal board, electronic switch insulation board, etc.
Glass fiber board production process
Among the epoxy fiberglass boards, FR-4 glass fiberboard has always maintained its absolute superiority and dominant position, occupying most of the middle and high-end market. The main reason is that FR-4 integrates various industrial properties. And it has high flame retardancy and is therefore favored by the market.
Glass fiber board pressing
The pressing process of epoxy resin copper clad laminate is roughly divided into three stages of heating, heat preservation and cooling. The pressing process can be performed manually or by computer. During the heating phase, the heat is mainly transferred from the heating plate to each product in the layer to melt and flow the resin. At the same time, pressurization is carried out depending on the melting and flow of the resin. According to my many years of work experience, this stage is the key to the pressing process. If the pressurization is not timely, it will cause “underpressure” and defects such as “microbubbles” and “dry flowers”; on the contrary, if the pressure is too early, it will lead to the flow of glue. More or skateboarding issues.