COVERALL TYCHEM4000 WHT 3X Taped seams provide strong chemical resistance against heavy liquid splashes. A sewn seam is covered with a strip of compatible chemical- material through heat sealing. Laydown collar. Provides a rugged and durable fabric that resists abrasion. Storm flap covers zipper which can be sealed by the wearer with adhesive strip to prevent intrusion at zipper. Elastic opening for tighter fit at wrist. Elastic opening for tighter fit at ankle. Provides at least 30 minutes of protection against 124 chemical challenges . Typical applications: chemical mixing, hazardous remediation, emergency medical response, paint spraying, and nuclear environments. Meets the U.S. industry requirements for blood (ASTM F1670) and viral penetration (ASTM F1671) protecting against several bloodborne pathogen exposure risks SL125TWH3X