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What is the shelf life for calcium sulfate fillers?
USG recommends that these products perform best when stored at temperatures below 110°F, protected from moisture or humidity and processed within one year of the date of manufacture. After this period of time, agglomerates may form which would affect the free flowing nature of the product. At recommended storage conditions, the one year recommendation relates primarily to processing, but combined moistures and reactivity could also be affected in extended storage.