The degree of beating is an index to measure the performance of the slurry suspension in water, and this standard is expressed by the Schober-Rigler (SR) degree value.
GB/T 3332-1982 history
2004GB/T 3332-2004 Pulps-Determination of beating degree(Schopper-Riegler method)
1982GB/T 3332-1982 Determination of beating degree for pulps(Schopper-Riegler method)