... , multi-layer screw, Z and other structure.Processing: Teflon, anti-sticking, high temperature resistance.Precision: temperature≤1°C, heating transform≤0.01mm, concentric≤0 ... <= 1°C, heating transform <= 0.02mm, concentric <= 0.005mm.Teflon RollerAnti sticking. High temperature resistance. Ink proofer A0~300LPI.For water based inks ...