PVC/HDPE COMPARISON

HDPE "A" and HDPE "B" signify materials from two different manufacturers.
Testing conducted by Occidental Chemical in November 1993 and reported by the PVC Geomembrane Institute (PGI) 

   

HDPE "A"

HDPE "A"

PVC

PVC

HDPE "B"

HDPE "B"

Gauge

 

40

60

30

50

40

60

ASTM D1593 Thickness

MD

41.9

60

30.2

50.2

41.9

62.1

 

TD

52.3

61.6

30.2

49.9

41.9

63.1

               

ASTM D792 Specific Gravity

 

0.95

0.95

1.296

1.285

0.0954

0.955

               

ASTM D882 Tensile Properties 1" Strip

             

Tensile at yield psi

MD

2959

3293

No Yield

No Yield

3360

3773

 

TD

3045

3305

No Yield

No Yield

3551

3848

Breaking Factor psi

MD

2492

2227

3623

3693

2632

2649

 

TD

2262

2162

3040

3365

2537

2501

Elongation at yield %

MD

15

15.5

No Yield

No Yield

16.7

19

 

TD

15

16.5

No Yield

No Yield

14.2

19

Elongation at break %

MD

1060+

1364+

490

530

750

600

 

TD

1040+

8604+

480

559

750

600

Modulus at 100% psi

MD

2158

2132

1788

1671

2334

2515

 

TD

1957

1997

1553

1495

2294

2399

ASTM D638 Tensile properties die C

             

Tensile @ yield psi

MD

2473

2640

No Yield

No Yield

2854

2969

 

TD

2374

2799

No Yield

No Yield

2979

3125

Tensile @ break psi

MD

3800

3547

3536

3219

4544

4122

 

TD

2979

3383

2980

2878

4649

4311

Elongation at yield %

MD

10

9

No Yield

No Yield

9.2

10.6

 

TD

8

7.8

No Yield

No Yield

8.6

8.8

Elongation at break %

MD

530

550

240

240

600

560

 

TD

520

560

240

260

630

620

Modulus at 100% psi

MD

2053

1933

2000

1721

2291

2274

 

TD

1730

1818

1695

1515

2129

2174

ASTM D1004 Tear

MD

36.5

52.9

11.6

20.9

39.9

59.5

Resistance Lbs.

TD

32.9

50.6

12.7

22.9

39.4

60.8

ASTM D1790 Low Temperature

             

ASTM D3083 Water Extraction %

 

0.04

0.05

0.08

0.17

0.02

0.02

ASTM D1203 Volatile Loss %

 

0.07

0.05

0.25

0.28

0.1

0.07

Testing conducted by Occidental Chemical in November 1993 and reported by the PVC Geomembrane Institute (PGI) 

Notations:

ASTM D638 is test normally conducted on PE-not PVC.

ASTM D882 is normally conducted on PVC-not PE.

ASTM D1790 Cannot be conducted on PE because it requires the material to be folded and PE cannot be folded.

HDPE "A" and HDPE "B" signify materials from two different manufacturers.



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