... dehydration of electronic element, pharmaceutical and unstable materials 4) Desiccant for paint, and fuel etc. tech data for 5A ... "The Comprehensive Sanitation and Safety Assessment on the Attapulgite Clay, a Natural Foodstuff Processing adjuvant". Their test results are ... arsenic, lead and mercury are not detectable in the attapulgite clay product, while total iron, sulfates, chlorides, nitrites, etc. ...