with 40% to 90% silica, by weight

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Glass compositions > containing silica > with 40% to 90% silica, by weight

Child Classifications

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• C03C 3/078 containing an oxide of a divalent metal, e.g. an oxide of zinc
• C03C 3/083 containing aluminium oxide or an iron compound
• C03C 3/089 containing boron
• C03C 3/095 containing rare earths
• C03C 3/097 containing phosphorus, niobium or tantalum
• C03C 3/102 containing lead
• C03C 3/11 containing halogen or nitrogen