high quality 45# seamless steel tubes, alloy steel pipes,forgings for PMMA, PC, PET, PP, PE, of ABS, PVC ...etc

      3M abrasive precision grinding,advanced heat treatment process of quenching and tempering,multiple to stress,hardening,hard chrome plating accuracy of Heef-25 high-efficieny micro-cracks: the roughness Ra0.01(finish14),

cooling or heating temperature ≤ ±1°c,

the thermal deformation is≤0.01mm.

Flatness≤0.005mm,

beating≤0.005mm,

coaxial degree≤0.005mm.

Surface hardness of HRC55-58,

polished chrome hardness HV1000(HRC62).

      Suitable for calendering, rolling fields on the surface of the PMMA, PC, PET, PP, the PT, PE, of ABS, PVC and other kinds of plastic plates, sheets, film, leather, paper and other products. 

Mirror roller