Tyvek 1431N polyethylene fabric (41 g/m2), white, hooded coverall protects against dusts and radioactive particles with a particle size of more than 1 micron (μ) for 480 minutes against 30% sulphuric acid, 50% phosphoric acid, 40% sodium hydroxide and 12% sodium hypochlorite up to 0.12 bar pressure resistant to water-based, splashing inorganic chemicals completely fibre-free, breathable, water vapour permeable antistatic material 130 μm thick flexibility down to -73C, rubberised waist, face, wrist and ankles for a perfect fit when moving the head or wearing a full face mask for respiratory protection comfortable hood 10 years shelf life other colour options: green and blue III. Protection c