... - ply 1.71±0.02mm2,Colour of surface purple3,Type of surface Soften4,Roughness of surface Ra 0.7~1.0μm5 ... Maximum tension (DIN16621) greater than 4000N 8,Type of hovercraft seal9,Average of load load 260 per square centimetre under 0. ... Packing Printing, Iron sheet Printing, Continuous form Printingb, Characteristic of UV rubber blanket1, Incomparable printing effect2, Dot gain copy accurate3,Solid ...