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PVC GEOMEMBRANE SPECIFICATIONS PER PVC GEOMEMBRANE INSTITUTE (PGI)
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Typical Property |
Test Method |
10 mil |
20 mil |
30 mil |
40 mil |
50 mil |
60 mil |
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Gauge
(nominal) |
-------------- |
10 |
20 |
30 |
40 |
50 |
60 |
Thickness
(mils) |
ASTM
D1593 |
9.5 |
19 |
28.5 |
39 |
48 |
58 |
Specific
Gravity |
ASTM
D792 |
1.2 |
1.2 |
1.2 |
1.2 |
1.2 |
1.2 |
Tensile
Properties |
ASTM
D882 |
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Break
Strength lbs/in |
Method
A (MD & TD) |
25 |
48 |
73 |
97 |
121 |
145 |
Elongation
at Break % |
Method
A (MD & TD) |
350 |
350 |
350 |
400 |
425 |
450 |
Modulus
at 100% |
Method
A (MD & TD) |
11 |
23 |
34 |
41 |
50 |
60 |
Tear
Resistance lbs/in |
ASTM
D1004, Die C |
3.2 |
6.5 |
8.5 |
10.5 |
13 |
15 |
Low
Temp, pass |
ASTM
D1790 |
-23C |
--26C |
-29C |
-29C |
-29C |
-29C |
Dimensional
Stability |
ASTM
D1204 (MD & TD) |
4 |
4 |
3 |
3 |
3 |
3 |
Water
Extraction |
ASTM
D3083 |
0.15 |
0.15 |
0.15 |
0.2 |
0.2 |
0.2 |
Volatile
Loss |
ASTM
D1203 (A) |
1.5 |
0.9 |
0.7 |
0.5 |
0.5 |
0.5 |
Resistance
to Soil Burial |
ASTM
D3083 |
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Breaking
Factor |
|
5% |
5% |
5% |
5% |
5% |
5% |
Elongation
at Break |
|
20% |
20% |
20% |
20% |
20% |
20% |
100%
Modulus |
|
20% |
20% |
20% |
20% |
20% |
20% |
Water
Vapor Transmission |
ASTM
D814, max |
------ |
-------------- |
5.0x10-9 |
cm/sec |
-------------- |
----- |
Hydrostatic Resistance |
ASTM D751 (A) lbs/in |
42 |
68 |
100 |
120 |
150 |
180 |
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| |
Minimum
Specifications for Factory Fabricated Seams |
Peel Strength, lbs/in |
ASTM D882 |
10 |
12.5 |
15 |
15 |
15 |
15 |
Shear Strength, lbs/in |
ASTM D882 |
20 |
38.4 |
68.4 |
77.6 |
98 |
116 |
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