GB/T 328.3-2007 "Test Methods for Building Waterproofing Sheets - Part 3: Polymer-Modified Bitumen Sheets - Appearance" specifies the method for inspecting the appearance quality of polymer-modified bitumen waterproofing sheets. This standard evaluates the basic requirements for their apparent quality by visually examining the surface of the sheets for defects such as holes, cracks, lumps, bubbles, wrinkles, and scars, as well as checking whether the sheets are straight and whether the ends are neat.
This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.
| Status | Active | ||
|---|---|---|---|
| CCS | Q17 | ICS | 91.120.30 |
| Release Date | 2007-03-26 00:00:00 | Implementation Date | 2007-10-01 00:00:00 |