... make very good effective a, Special property of technology1,Thickness and ... of surface purple3,Type of surface Soften4,Roughness of surface Ra 0.7~1.0μm5,Hardness of ... surface 68°±3°A6,Maximum linear extension 1%7,Maximum tension (DIN16621) greater than 4000N 8,Type of hovercraft seal9,Average of ... Printing, Continuous form Printingb, Characteristic of UV rubber blanket1, Incomparable printing ...