土工膜
详情
|
序号 |
项 目 |
指 标 |
||||
|
LDPE |
LLDPE |
EVA |
HDPE |
HDPE |
HDPE |
HDPE |
|
普通 |
环保 |
|
|
|
|
|
|
1 |
厚度mm |
0.2-3.0 |
0.2-3.0 |
0.2-4.0 |
0.2-4.0 |
|
|
2 |
宽度m |
2.5-9.0 |
2.5-9.0 |
2.5-8.0 |
2.5-8.0 |
|
|
3 |
拉伸强度(纵横)Mpa |
>=14 |
>=16 |
>=16 |
>=17 |
>=25 |
|
4 |
断裂伸长率(纵横)% |
>=400 |
>=700 |
>=550 |
>=450 |
>=550 |
|
5 |
直角撕裂强度N/mm |
>=50 |
>=60 |
>=60 |
>=80 |
>=110 |
|
6 |
水蒸气渗透系数g. cm/c㎡.s. pa |
<1.0*10 |
<1.0*10 |
<1.0*10 |
--- |
--- |
|
7 |
使用温度范围 |
+70℃﹋-70℃ |
+70℃﹋-70℃ |
+70℃﹋-70℃ |
--- |
--- |
|
8 |
炭黑含量% |
--- |
--- |
--- |
2.0-3.0 |
|
|
9 |
耐环境应力开裂F |
--- |
--- |
--- |
>=1500 |
|
|
10 |
-70℃低温冲击脆化性能 |
--- |
--- |
--- |
通过pass |
|
|
11 |
200℃氧化诱导时间 |
--- |
--- |
--- |
>20 |
|