ROSSINI 2025

4 31 STANDARDS AND CERTI FICATIONS RAI N EN 343 : 201 9 This standard specifies the requirements and test methods applicable to materials and stitching of protective clothing against the effects of precipitation (e.g. rain, snow), fog and soil moisture. - The number located in place of the X indicates the class of the resistance level to water penetration (Wp). - The letter Y indicates the class of resistance level to water vapour (Ret) equivalent to breathability. - The letter R (optional) indicates that the garment has undergone the rain tower test to check its resistance to impact with high-energy droplets. 1 2 3 4 WP ≥ 8.000 Pa WP ≥ 8.000 Pa WP ≥ 13.000 Pa WP ≥ 20.000 Pa 1 2 3 4 Ret > 40 25 < Ret ≤ 40 15 < Ret ≤25 Ret ≤ 15 Working environment temperatures 25°C 20°C 15°C 10°C 5°C Wearing time 60 min. 75 min. 100 min. 240 min. N/A RESISTANCE TO WATER PENE TRATION (WP) WATER VAPOUR RESISTANCE (RE T) in m² *Pa/W CLASS 1 2 3 4 0,06 ≤ Rct < 0,12 0,12 ≤ Rct < 0,18 0,18 ≤ Rct < 0,25 0,25 ≤ Rct THERMAL RESISTANCE (Rc t) m² *K/W 1 2 3 100 < AP 5 < AP ≤ 100 AP ≤ 5 AI R PERMEABI LITY (AP) mm/s 1 to 3 4 N/A Minimum 0.17 m² *K/W THERMAL I NSULATI ON (Icler) m² *K/W CLASS CLASS CLASS RECOMMENDED TI ME OF USE AT D I FFERENT TEMPERATURES: Note: 100 Pascal are approximately 102 mm H2O COLD ENVI RONMENTS EN 1 4058 : 201 7+A1 : 2023 This standard specifies requirements and test methods for the performance of protective clothing against the effects of cold environments at -5°C. . These effects include not only low air temperatures, but also humidity and air velocity. - The number located in place of the first Y indicates the class of thermal resistance level (Rct) - The number located in place of the second Y indicates the class of air permeability level (AP) - The number located in place of the third Y indicates the class of thermal insulation level (Icler) - WP (optional) indicates waterproofing Y Y Y WP X Y R