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Introduction of several kinds of glass fiber raw materials

High strength glass fiber
It is characterized by high strength and high modulus. Its tensile strength of single fiber is 2800MPa, which is about 25% higher than that of alkali free glass fiber, and the modulus of elasticity is 86000MPa, which is higher than that of E- glass fiber. The FRP products they use are mostly used in military, space, bulletproof armor and sports equipment. But because of the high price, it can not be popularized in the civil field, and the output of the whole world will be several thousand tons or so.
AR glass fiber
Also called alkali resistant glass fiber, mainly for the purpose of strengthening cement.
A glass
Also known as high alkali glass is a typical sodium silicate glass, because of poor water resistance, rarely used in the production of glass fiber.
E-CR glass
Is a kind of improved boron free alkali free glass, used in the production of acid resistance of glass fiber, the water resistance ratio of alkali free glass fiber improved 7~8 times than in acid alkali glass fiber has many advantages, is the development of new varieties for underground pipelines, tanks etc..
D glass
Also called low dielectric glass, used for producing low dielectric glass fiber with good dielectric strength.
In addition to glass fiber components above, in recent years the emergence of a new alkali free glass fiber, it is completely free of boron, and reduce environmental pollution, but its electrical insulation properties and mechanical properties are similar with the traditional E glass. There is also a double glass fiber, already used in the production of glass wool, which is believed to have potential in glass fiber reinforced plastics. In addition, there are fluorine free fiberglass, an improved E-glass fiber for environmental protection.

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