Production process of ultrafine glass wool
2025-09-17
Raw material melting: Mix quartz sand, feldspar, sodium silicate, boric acid, etc. in proportion and melt them at high temperature to form a glass solution.
Raw material melting: Mix quartz sand, feldspar, sodium silicate, boric acid, etc. in proportion and melt them at high temperature to form a glass solution.
Fiber forming: By centrifugation or flame blowing process, glass solution is spun into primary fibers, which are then pulled into extremely fine fibers by high-speed gas.
Curing treatment: Spray adhesive and hydrophobic agent to enhance the bonding force and waterproof performance between fibers, and produce the final product through compaction, curing, cutting and other processes.
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Glass wool is widely used in fields such as construction, industry, and acoustic treatment
Glass wool belongs to a type of glass fiber, which is made by melting natural minerals such as quartz sand, limestone, and dolomite with chemical raw materials such as soda ash and borax, and then using blowing or centrifugal spinning processes. Its chemical composition is similar to glass, and it is an inorganic fiber.
