National Safety Apparel C88NPQH Enespro RevoLite 40 cal Coverall No tax Size:4X It is listed with OSHA 3M ID 7010342473 It is listed with OSHA and ANSI approvals standards S yperit (mustard drops) testing of materials and seams Contamination Density: 11 ± 1 mg S yperit 10 cm2 Breakthrough Density of Contamination: 5 µg S mustard 1 cm2 Test Tube Dimension: Ø 20 mm Test Temperature: 23 ± 1 ° C Protection Capacity: >120 minutes (drop by drop method) Tensile Strength of the Coated Fabric: Over 500 N 5cm in the longitudinal direction Over 400 N 5cm in the transverse direction The tearing resistance of the coated fabric is over 30 N epr in both longitudinal and across direction 46 years in the PPE business Authorized worldwide NSA distributor