It is moulded with PTFE Gasket and has good chemical resistance and high electrical property. Widely used as insulating parts and sealing in chemical, electrical, etc. Details Diameter : 4 mm ½ 200 mm, Density : 2.1 ½ 2.3g/cm3 Tensile strength : ¥15Mpa, Ultimate elongation : ¥150% Dielectric strength :