Packaging is done for ease of storage, handling & dust containment. All 1/4 lb., 1/2 lb. and 1 lb. packages come in resealable, reusable plastic containers. The 5 lb. size comes in a heavy paper bag. The 25-lb. size comes in a plastic bucket. (Not all chemicals come in the 25 lb. bucket size).
SDS Sheets - Materials (will leave this site)