产品克重(g/m2) |
400 |
500 |
600 |
700 |
800 |
900 |
1000 |
|
膜厚(mm) |
0.20~0.35 |
0.3~0.6 |
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常用 |
一布一膜 |
150/0.25 |
200/0.3 |
300/0.3 |
300/0.4 |
300/0.5 |
400/0.5 |
400/0.6 |
二布一膜 |
100/0.2/100 |
100/0.3/100 |
150/0.3/150 |
200/0.3/200 |
200/0.4/200 |
200/0.5/200 |
250/0.5/250 |
|
单位面积质量偏差(%)≤ |
-10 |
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断裂强力KN/m≥ |
5.0 |
7.5 |
10.0 |
12.0 |
14.0 |
16.0 |
18.0 |
|
断裂伸长率% |
30~100 |
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撕破强力KN≥ |
0.15 |
0.25 |
0.32 |
0.40 |
0.48 |
0.56 |
0.62 |
|
CBR顶破强力KN≥ |
1.1 |
1.5 |
1.9 |
2.2 |
2.5 |
2.8 |
3.0 |
|
垂直渗透系数,cm/s |
10-12 |
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耐静水压(MPa)≥ |
0.4~0.6 |
0.6~1.0 |
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说明 |
1、膜厚度0.2~0.8mm; |