ORCA® 820 TESSUTO ORCA® 820 Base fabric : Polyester High tenacity 1100 dtex – 990 deniers Coating : Ext : Chlorosulfonated Polyethylene (CSM) /Polychloroprene (CR) Int : Polychloroprene (CR) Specifications Standard-Test Direction Result (Imperial) Result (Metric) Surfacic Mass ISO 2286-2 33,6 oz/yd2 ± 3,54 1 140 g/m2 ± 120 Tensile Strength ISO 1421 ASTM D 751/B CH (W) TR (F) ≥ 337 lbs/in ≥ 337 lbs/in ≥ 300 daN/5cm ≥ 300 daN/5cm Tear Resistance ISO 4674-1 ASTM D 751 / B CH (W) TR (F) ≥ 31,5 lbs ≥ 31,5 lbs ≥ 14 daN ≥ 14 daN Permeability (Helium) Zeppelin Test NFG 37 114 < 3 l/m2/24H Peeling Test Adhesion ISO 2411 ASTM D 751 ≥ 16,85 lbs/in ≥ 15 daN/5cm Low Temperature Resistance NF EN 1876-2 ASTM D 751 ≤ – 22 °F ≤ – 30 °C Heat Aging 7 day at 158 °F (70°C) NF EN 12280 – 1 Tensile strength unchanged Hydrocarbon Resistance ISO 1817 Tensile strength unchanged Fill Distortion NFG 37 119/1 80% ≤ 1,18 in Maxi 1,97 in 80% ≤ 3 cm Maxi 5 cm