Do you know how many square meters of waterproofing membrane to send a set of tests?
Chlorinated polyethylene-rubber blend of waterproofing membrane: 250 volumes for a group, the lack of a group also.
PVC waterproofing membrane: take a roll at the end of 0.3m at the end of the interception of 3m full-width coil sample 2, 2000 square meters for a group, the lack of a group also.
Polymer waterproofing membrane: 5000 ㎡ sheet for a group.
Modified asphalt polyethylene tire waterproofing membrane: any volume in the distance 2m at the end of the interception of 1m full-width coil sample 2, 1000 volumes for a group, the lack of a group also
Elastomer Asphalt Waterproofing Sheets: Take a roll out of the outer roll head 2500mm, the vertical cut 800mm full-width coil sample 2. 10000 square meters for a group, the lack of a group also.