Chem-Kleen Acid Apron, Large/X-Large, 30/CS, Individually Bagged. - Cleanwear Cleanroom Acid Apron, resists most acids with a confirmed 8 hour permeation hold out rating. Gown design with long sleeves and catchall trough at bottom. Extra long ties at neck and waist. Made of double coated, non-woven material for limited use.