DuPont™ Tyvek® Classic Xpert Colour, model CHF5a blue. Hooded coverall available in blue, in sizes M to XXL (white and green garments also available). Robust yet lightweight (<180g per garment). 3-piece hood for optimal fit to head and face when turning. Elasticated face, wrists and ankles as well as glued-in waist elastic. Ample crotch area for freedom of movement. Large, easy-to-grasp zipper puller. Tyvek® garments are composed of flash spun high density polyethylene, providing an ideal balance of protection, durability and comfort. Tyvek® is permeable to both air and water vapour, yet repels water-based liquids and aerosols. It offers an excellent barrier against fine particles and fibres (down to 1 micron in size), is ultra-low-linting and antistatically treated. Silicon non-added. Applications for Tyvek® Classic Xpert garments include those found in pharmaceutical handling, chemical processing, the oil and gas industry, general maintenance and operations, automotive spray painting and many others. Chemical protective clothing, Category III, Type 5-B and 6-B. EN 14126 (barrier to infective agents), EN 1073-2 (protection against radioactive contamination). Antistatic treatment (EN 1149-5) - on inside. Stitched external seams. Very low inward leakage thanks to optimised design. Tyvek® auto-lock zipper and zipper flap for increased protection. Chemical permeation of coloured Tyvek® L3431N is not identical to that of white Tyvek® L1422A.