{HEAD ~ The present invention} relates generally to fillers and {TAIL ~ extenders}, and more specifically relates to a white filler and extender derived from glass manufacturing by products, and to the method for producing the said product 
{ HEAD ~ The present invention } relates generally to fillers and { TAIL ~ extenders } , and more specifically relates to a white filler and extender derived from glass manufacturing by products , and to the method for producing the said product
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