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How to distinguish the quality of fiberglass filament?

How to distinguish the quality of fiberglass filament?

2022-11-25

Fiberglass is an inorganic non-metallic material with excellent properties. The ingredients are silica, alumina, calcium oxide, boron oxide, magnesium oxide, sodium oxide, etc. It uses glass balls or waste glass as raw materials through high temperature melting, wire drawing, winding, weaving and other processes. Finally, various products are formed. The diameter of glass fiber monofilament ranges from a few microns to more than 20 microns, which is equivalent to 1/20-1/5 of a hair. It is composed of thousands of monofilaments, and is usually used as a reinforcing material in composite materials, electrical insulating materials and thermal insulation materials, circuit substrates, etc., and is widely used in various fields of the national economy.

Fiberglass are classified into different grades according to their composition, properties and uses. E-grade glass fiber is the most commonly used and is widely used in electrical insulation materials; S-grade is a special fiber, although the output is small, but it is very important. Because of its super strength, it is mainly used for military defense, such as bulletproof boxes, etc. C-grade is better than E-grade More chemical resistance, used in battery separators, chemical filters; grade A is alkali glass fiber, used in the production of reinforcing materials.


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