Tychem® 4000 Coverall, Attached Hood and Sock, Elastic Wrists, Zipper, Storm Flap, White, 3X Large ORS NASCO General purpose sealant seals medium General purpose sealant seals medium to coarse straight and tapered pipe threads and fittings Controlled lubricity prevents galling and protects mated threaded areas from rust and corrosion including wood and steel Summer and winter additives also available to aid cure times Known as Loctite® FIXMASTER® Magna Crete 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