Tychem® 4000 Coverall, Attached Hood and Sock, Elastic Wrists, Zipper, Storm Flap, White, Large no checkout Excellent dielectric strength Electrical properties are Excellent dielectric strength Electrical properties are stable up to (105º C 220º F) Cotton bias cloth Blacksmith Hammer has polished striking face and ends of pein are generously beveled to minimize chipping Durable Effective protection against a range of chemicals Tychem® 4000 is chemical barrier film laminated to Tyvek® fabric Tychem® 4000 is white for high visibility Tychem® 4000 provides at least 30 minutes of protection against >120 chemical challenges Many different styles available