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Industrial Filler No. 1 is used to develop ettringite in cementitious systems such as specialty cements, grouts and mortars. A natural material consisiting of anhydrite and gypsum, Industrial Filler No. 1 aids in:
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Are USG calcium sulfate products safe for food applications?
USG food and pharmaceutical grade calcium sulfate filler products conform to FDA Regulation 21CFR184.1230, and are affirmed as GRAS (Generally Regarded as Safe). Calcium sulfate filler products are also safe to use in food packaging applications.