WATERPROOF ACID-LYEPROOF APRON Model: 124 The product is made of fabric called Plavitex Acid - polyester coated of PVC both sides. It has adjustable neck regulation. 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.