Technical Specification

Water Proofing Membrane (EPDM)

EPDM MEMBRANE BASED ON ASTM – D4637
PROPERTIES	TEST METHOD	SPECIFICATION
Tolerance on Nominal Thickness,%	ASTM D 412	± 10%
Color	Visual	Black
Hardness	ASTM D2240	65 ± 5 Sh A
Tensile Strength ( min )	ASTM D412	90 kg/cm²
Elongation at Break ( min )	ASTM D412	300%
Tear Resistance kg/cm	ASTM D624 (Method C)	30 kg/cm
Drop in physical properties – Ageing After 100C for 600 Hrs
– Tensile Strength min.	ASTM D – 412	10%
– Elongation ( % )	ASTM D – 412	30%
– Tear resistance (kg/cm)	ASTM – 412	15%
– Linear dimensional change max. %	ASTM D – 1204	+/- 2%
Ozone Resistance: On exposure to 100 ppm and Ozone in air 96 hrs. @ 40 C at 20 % strain	ASTM D 1149	No crack
Glass transition Temperature :	ASTM D – 746	-55
Resistance Water absorption, after 7 days immersion in 70^° C, % change in mass	ASTM D 471	4.0
Compression set, 22 Hrs. at 70^°C	ASTM D 395	30%
Specification No: ZRWP100/1	Rev. No.: 9.8	Rev. No.: 9.8

EPDM MEMBRANE BASED ON ASTM 6134
PROPERTIES	TEST METHOD	SPECIFICATION
Tolerance on Nominal Thickness,%	ASTM D 412	± 10
Color	Visual	Black
Hardness	ASTM D2240	65 ± 5 Sh A
Tensile Strength ( min )	ASTM D412	90 kg/cm²
Elongation at Break ( min )	ASTM D412	300%
Abrasion Resistance ( max )	ASTM D5963	250 mm³
Compression Set (70^° C/24 hrs) (max)	ASTM D395 (Method B)	34%
Tear Resistance (Angular) min	ASTM D624 (Method C)	30 kg/cm
Resistance to Heat Aging
– Tensile Strength min.	ASTM D – 412	85 kg/cm²
– Elongation ( % )	ASTM D – 412	210
– Linear dimensional change max. %	ASTM D – 1204	± 1
– Brittleness temperature ^°C	ASTM D 746	-45
Resistance water absorption, after 166Hrs. Immersion @ 70 ^°C
% change in mass	ASTM D 471	4.0
Water Vapor Permeability Max. per-mills	ASTM E 96	3.5
Specification No: ZRWP100/10	Rev. No: 9.8	Rev. No: 9.8