Glass Application

 The glass industry has established different standard specifications for the silica sand intended for different types of glass.

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Glass Application

  • Most rigid industry-based specifications allow silica sand to be used in making glass. Small amounts of impurities like iron, manganese, chromium, calcium, or aluminum, can alter the color and effect of the production of Glass. The glass industry has established different standard specifications for the silica sand intended for different types of glass. The requirements for these grades of silica sand are set out in BS 2975:1988, British standard methods for sampling and analysis of glassmaking sand (BS 2975)2.


The glass sand requires:

(a) Maximum silica levels


(b) Minimum levels of aluminum, iron, chromium, copper, cobalt, nickel, and vanadium


(c) Minimum alkali levels


(d) Minimum losses on heating; and


(e) Consistent particle size distributions

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  • As per the specific glass application, the limits of the above parameters are specified and maintained accordingly.

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