GB/T 40442-2021 stipulates the determination method of mass factor in the analysis of fiber composition of paper, Cardboard and pulp. The standard specifies the scope of application, explains the determination principle in detail, specifies the equipment, sample preparation, analysis steps, etc., standardizes the calculation and result representation of mass factor, provides a unified standard for scientific and accurate determination of mass factor in fiber composition analysis, helps to accurately analyze the fiber composition of paper products, and ensures the standardization and conformity of product mass testing.
| Status | Active |
|---|---|
| CCS | Y30 | ICS | 85.040;85.060 |
| Release Date | 2021-08-20 00:00:00 | Implementation Date | 2022-03-01 00:00:00 |