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 JPL20 and JPL30 Material Specifications   (Medium Density Only) 
Property
Test Method
Nominal Values 20 Mil
Nominal Values 30 Mil
Thickness, mils ASTM D 1593 20 Mils +/- 10% 30 Mils +/- 10%
Sheet Density, g/cc ASTM D 1505 0.95 0.95
Carbon Black Content, % ASTM D 1603 2.5 2.5
Carbon Black Dispersion ASTM D 3015 A2 A2
Tensile Properties Test Method: ASTM D 638 (Type IV Specimen @ 2 ipm)
1. Tensile Strength at Yield, ppi 53 80
2. Elongation at Yield, % 15 15
3. Tensile Strength at Break, ppi 95 142
4. Elongation at Break, (2.0" G.L.)%
                                     (2.5" G.L.)%
825
660
825
660
Tear Strength, lbs. ASTM D 1004 17 25
Puncture Resistance, lbs. FTMS 101 - 2065
ASTM D 4833
32
45
48
68
ESCR - Bent Strip, hours ASTM D 1693 2,000+ 2,000+
ESCR - Constant Loan, hours ASTM D 5397
(@ 30% of min. yield stress)
NA NA
Roll Dimensions
1. Width (feet):
23 23
2. Length (feet)
1550 1000
3. Area (square feet):
35,650 23,000
4. Gross Weight (Pounds, approx.)
3,580 3,470
Nominal values are average lot property values.
This data is provided for informational purposes only and is not intended as a warranty or guarantee.
Poly-Flex, Inc. assumes no responsibility in connection with the use of this data. These values are subject to change without notice.
NA - Not applicable
REV. 7/97



Disclaimer: To the best of our knowledge, these are typical property values and are intended as guides only, not as specification limits. Just Liners makes no warranties as to the fitness for a specific use or merchantability of products referred to, no guarantee of satisfactory results from reliance upon contained information or recommendations and disclaims all liability for resulting loss or damage.

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