Table 594-7 - GRI GM21-Table 2(b) Ethylene Propylene Diene Terpolymer (EPDM) Scrim Reinforced – – Property Test Method Test Testing Frequency (minimum) Thickness, mil (min. ave.) D 5199 45 60 40,000 lb lowest individual of 10 values -10% -10% • Tensile Properties D 751 (1) break strength, lb (min.) 190 250 40,000 lb • Tear Resistance, lb (min.) D 5884 130 170 50,000 lb (2) Puncture Resistance, lb (min.) D 4833 60 80 50,000 lb Brittleness Temperature, deg F (max.) D2136 -49 -49 per formulation(3) Oven Aging at 100oC for 170 hours D 5721 D 751 per formulation 90 90 % retained on tensile break strength • (3) GM 16 surface cracking a 7X magnification no cracks • UV Resistance (b) Xenon Arc for 2000 hours at 80oC G26 per formulation (3) G 792 90 90 % retained on tensile break strength • GM 16 no cracks surface cracking at 7X magnification • -or- (b) UVA-Fluorescent 7500 hours total D 7238 testing time(4) D 792 90 90 % retained on tensile strength • GM 16 surface cracking at 7X magnification no cracks • (1) machine direction (MD) and cross machine direction (XMD) average values should be on the basis of 5 test specimens in each direction (2) the strength refers to prior fiber pullout (3) at least once per year whenever formulation changes (4) condition of the test should be 20 hours UV cycle at 75oC followed by 4 hours condensation at 60oC.
Table 594-7 - GRI GM21-Table 2(b) – Ethylene Propylene Diene Terpolymer (EPDM) – Scrim Reinforced Property Test Method Test Testing Frequency (minimum) Thickness, mil (min. ave.) • lowest individual of 10 values D 5199 45 60 -10% -10% 40,000 lb Tensile Properties (1) • break strength, lb (min.) D 751 190 250 40,000 lb Tear Resistance, lb (2) (min.) D 5884 130 170 50,000 lb Puncture Resistance, lb (min.) D 4833 60 80 50,000 lb Brittleness Temperature, deg F (max.) D2136 -49 -49 per formulation(3) Oven Aging at 100oC for 170 hours • % retained on tensile break strength • surface cracking a 7X magnification D 5721 D 751 GM 16 90 90 no cracks per formulation (3) UV Resistance (b) Xenon Arc for 2000 hours at 80oC • % retained on tensile break strength • surface cracking at 7X magnification -or- (b) UVA-Fluorescent 7500 hours total testing time(4) • % retained on tensile strength • surface cracking at 7X magnification G26 G 792 GM 16 D 7238 D 792 GM 16 90 90 no cracks 90 90 no cracks per formulation (3) (1) machine direction (MD) and cross machine direction (XMD) average values should be on the basis of 5 test specimens in each direction (2) the strength refers to prior fiber pullout (3) at least once per year whenever formulation changes (4) condition of the test should be 20 hours UV cycle at 75oC followed by 4 hours condensation at 60oC.
MS-AZ-594_Flexible_Membrane_Liner.docx