Roll Body: adopt HT250 cast iron to cast inside and outside, thickness: 100mm the thickness of the finished product wall is 80mm

Bulkhead is made of HT200 cast iron

Spindle head: using 45# carbon steel conditioning treatment after rough turning

To produce finished products according to drawings after the whole body is hot charged

Thickness: unilateral thickness: 25mm

Hardness: "A"98±2

The type of rubber surface:ZT-PPV- I,2

The performance of rubber surface: good ripple property, non-deformation, oligo thermal, good paper release property.

With grooves on the surface; The width: 0.5-102mm; The depth:2-3mm; Surface width:2.5-3.5mm; annulus or spiral.