WATERPROOF ACID-LYEPROOF HOOD Model: 412/C The product is made of fabric called Plavitex Acid - polyester coated of PVC both sides. It's fastened with hidden snaps under flap. The product protects workers against concentrated acids, alkalis and saline solutions (H2SO4, HNO3, HCL, NaOH). Thanks to double welded high frequency seams the product also protects against rain and wind. The product conforms with the EN ISO 13688, EN 343 and EN 14605 standards.