... Safe 4.Durable CVC Fireproof Anti-Acid and Alkali Coverall . Fabric compositions100% cotton Feature flame retardant and arc flash protectionFabric weight 280-350Fabric ... 11612) A, B1, C1 - Industrial flame and heat Hazards -EN 533 Index 3 - Heat and flame retardant -NFPA : 2112 -ASTM D ... UsageCoveralls ,overalls ,garments, workwear , jackets ,pants, shirts CVC Fireproof Anti-Acid and Alkali Coverall