GB/T 18251-2019 stipulates the determination method of pigment or carbon black Carr Dispersibility in polyolefin pipes, fittings and mixtures. The standard specifies the test principle, equipment, operation steps and evaluation rules, and scientifically evaluates the dispersion degree of pigment or carbon black in polyolefin materials by means of slice observation, microscopic analysis and other means. Provide technical specifications and judgment basis for controlling product mass and ensuring stable material performance.
| Status | Active |
|---|---|
| CCS | G33 | ICS | 83.140.30 |
| Release Date | 2019-08-30 00:00:00 | Implementation Date | 2020-03-01 00:00:00 |