This standard specifies the technical requirements, test methods, inspection rules and markings, packaging, transportation and storage of ZWC series super calenders. This standard is applicable to ZWC super calenders with a working speed not exceeding 500m/min and a working line pressure not exceeding 300kN/m. It is also applicable to the finishing of coated paper, capacitor paper and other paper types with a width of 1000~2362mm. decoration.
QB/T 1425-1991 history
2013QB/T 1425-2013 Technical specifications for ZWC supercalender
1991QB/T 1425-1991 Technical conditions of ZWC super calender