EPDM waterproof membrane is made from ethylene propylene diene monomer (EPDM), adding into some chemical auxiliaries, for example, carbon black, nanophase modifier, pLasticizer, vulcanization accelerator and others, it is one kind of polymer waterproof membrane with excellent performance elasticity.

No.	Items		JL1	JL2
1	Tensile Strength (MPa)	23℃	≥7.5	≥4.0
		60℃	≥2.3	≥0.8
2	Breaking Elongation	23℃	≥450%	≥400%
		-20℃	≥200%	≥200%
3	Tear Strength kN/m		≥25	≥18
4	Impermeability, 0.3Mpa, 30 minutes		No leaking	No leaking
5	Low Temperature Flexibility		-40℃	-30℃
6	Thermal Stability (mm)	Extend	≤2	≤2
		Shrink	≤4	≤4
7	Hot Air Aging (80℃168h)	Tensile Retention	≥80%	≥90%
		Breaking Elongation Retention	≥70%	≥70%
8	Alkali Resistance, saturated Ca(OH)2 solution, 23℃168h	Tensile Retention	≥80%	≥80%
		Breaking Elongation Retention	≥80%	≥90%
9	Ozone Aging(40℃168h)	Elongation 40%, 500pphm	No crack	No crack
10	Artificial Weathering Aging	Tensile Retention	≥80%	≥80%
		Breaking Elongation Retention	≥70%	≥70%
11	Bonding Peel Strength (Sheet and Sheet)	N/mm (Standard test conditions)	≥1.5	≥1.5
		Soaking retention rate(23℃168h)	≥70%	≥70%

SHandong Mile Building Materials Co., Ltd. is one professional manufacturer and exporter of building materials since 2000, main products includePE Release liner, PET Release Film, HDPE Cross Laminated Strength Film and Reinforced Metalized Aluminium Foil,Pre-Applied Waterproofing Membrane, PVC Swimming Pool Liner, PVC Roofing Membrane, Self-Adhesive Waterproofing Membrane,TPO/EPDM Waterproofing Membrane, Bitumen Self-Adhesive Waterproofing Tape, Butyl Rubber Tape and so on.