Executive standard: CSA Z 195-09Product thickness: 4.0-4.2mmPuncture resistance: 1200 N without punctureResistance to tortuosity: 1.5 million twists and turnsExecutive standard: EN 12568: 2010Product thickness: 3.6mm/3.9mmPuncture resistance: 1100 N zero punctureResistance to tortuosity: 1 millionSpecial requirements: 1,100 cattle zero puncture in 5 environmentsAdvantages: environmental protection, electrical insulation, comfortable wearing, heat resistance, strong cold resistance (-40ºC-150ºC), and will not shrink or deform at a high temperature of 230ºC.