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Fiberglass home
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Types and qualities of glass
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Glass fiber fabrics

Fiberglass reinforcements are classified according to their properties. There are six major types of glass used to make fibers.

  1. E-glass is the most common type used for fiberglass production today (more than 50% of the fibers made are from E-glass.) ‘E’ implies that it is an electrical insulator. It is inexpensive and appropriate for general purposes.

  2. S-glass, S2-glass, (‘S’ comes from Strength,) is (15%-25%) stronger than E-glass, has higher modulus, improved mechanical properties, higher melt temperature and is considerably more expensive.

  3. C-glass or T-glass is very resistant to chemicals and corrosion.

  4. A-glass is a high-alkali glass. It offers good chemical resistance, but has lower electrical properties.

  5. D-glass has a low dielectric constant and is used in circuit boards.

  6. AR-glass is resistant to alkali environment.

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