... surface Ra 0.7~1.0μm5,Hardness of surface 68°±3°A6,Maximum linear extension 1%7,Maximum tension (DIN16621 ... ,Packing Printing, Iron sheet Printing, Continuous form Printingb, Characteristic of UV rubber blanket1, Incomparable printing effect2, Dot gain copy accurate3,Solid ... make very good effective for unti-shock and unti-destroy UV rubber pringting blanket