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Firestone PondGard EPDM Liner Technical Information

Property
Test Method
Minimum ASTM Performance
Specific Gravity
ASTM D 792
1.1
Unit Weight
ASTM D751
.28
Thickness (min. ave)
ASTM D5199
.045
Break Strength
ASTM D882
50
Break Elongation
ASTM D882
500%
Tear Resistance
ASTM D1004
9
Puncture Resistance
ASTM D4833
35
Shore A Durometer
ASTM D2240
65-10
Resistance to Ozone
7 days/100@150° 50% ext.
ASTM D1149
No Cracks
Multiaxial Elongations
ASTM D5617
100%
Oven Aging at 100°C for 170 hours
• % retained on tensile break strength
• % retained on tensile break elongation
ASTM D882

90% 
75%
Xenon Arc for 2000 hours @ 80°C
• % retained on break strength
• % retained on tensile break elongation
ASTM G155

90%
75%
Brittleness Temperature
ASTM D746
-49°F
Water Resistance
weight after immersion 7 days @ 65°C
ASTM D471
+8, -2
Water Vapor Permeability (max)
ASTM E96
2.0
Dimensional Stability
ASTM D1204
.075%
Chronic Toxicity Screening
EPA/600/4-89-001
ASTM E729
passes
passes