This standard specifies the test methods for polishing pastes and pigment pastes used in tanning. This standard applies to water-dispersible special leather finishing agents with lactocasein, sulfated castor oil, pigments, etc. as main components.
QB/T 2157-1995 history
2012QB/T 2157-2012 Test method of casein finish and pigment paste for leather
1995QB/T 2157-1995 Test method for polishing paste and pigment paste for tanning