GB/T 4688-2020 specifies the analysis method of paper, Cardboard and pulp fiber composition. The standard specifies the scope of application and analysis principle, specifies the equipment, reagent materials, sample preparation, operation steps, etc., standardizes the identification and representation of fiber composition results, provides a unified standard for accurate analysis of paper products and pulp fiber composition, and helps to evaluate raw material characteristics, optimize production processes and control product mass.
| Status | Active |
|---|---|
| CCS | Y30 | ICS | 85.010 |
| Release Date | 2020-07-21 00:00:00 | Implementation Date | 2021-02-01 00:00:00 |