How Can See High-alkali Glass Fiber?

- Jun 22, 2016-

The simplest way is to test the fiber in boiling water and cook for 6-7h, if high nitrate alkali glass fiber, after boiling water boiled, the warp and weft fibers of all loosened up.

According to different criteria, classification of many fiberglass, generally from the length to diameter, composition and properties of two angles and to divide.

Glass fiber production process, there are two: two molded - crucible drawing method, a molding - direct melting method.

Crucible drawing method process range, the first high temperature melting glass raw materials made of glass beads, glass beads and then the secondary melting, high-speed wire drawing made of glass fiber strands. This process has a high energy consumption, the molding process is unstable, low labor productivity and other drawbacks, basically been eliminated major fiberglass manufacturers.


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