GB/T 328.4-2007 is the fourth part of the series of standards for the test method of asphalt waterproof membrane, which stipulates the test method of film thickness and mass per unit area of asphalt waterproof membrane. The standard covers the test principle, equipment, sample preparation, test process and result calculation. By standardizing the operation process and technical indicators, it provides a unified standard for mass inspection and production control of asphalt waterproof membrane to ensure product mass and engineering application performance.
| Status | Active |
|---|---|
| CCS | Q17 | ICS | 91.120.30 |
| Release Date | 2007-03-26 00:00:00 | Implementation Date | 2007-10-01 00:00:00 |