Cat. III, Type 4B, 5, 6 Tyvek® is a unique spunbonded fabric made from continuous polyethylene fibres - Tyvek® protective suits are extremely hard-wearing, highly resistant to tearing and abrasion and remain intact under controlled movements as described in the standard for chemical protective clothing, even under difficult conditions.breathable, permeable to air and water vapour - very light, soft and flexible - free from fillers and silicone, lint-free and antistatic on both sides, for use in all EX-zones, for use in all EX-zones, for use in all EX-zones, for use in all EX-zones, for use in all EX-zones, for use in all EX-zones, for use in all EX-zonesSuitable for use in all EX zones - Elasticated arm and leg cuffs certified to EN 14126 for protection against biohazardous substances - The seams of the suit are also tightly sealed and the zipper cover can be taped.The additional thumb loop at the ends of the arms prevents the sleeves from slipping up and thus ensures even safer working conditions: chemical and pharmaceutical industry, electronics industry, clean room applications, nuclear industry (protection against radioactive particles), industrial cleaning, protection against biologically contaminated particles (risk group 1 and 2), such as in waste incineration plants. e.g. in waste incineration plants Further technical properties: - Standard: EN 14605, EN 13982-1, EN 13034, EN 1073-2, EN 14126, EN 1149-5, Type 4-B / Type 5-B / Type 6-B.