HDPE Impermeable membrane

HDPE has a very high tensile strength, tear strength, elongation at break is very large, wide applicable temperature range.

HDPE Impermeable membrane’s chemical stable performance well, with good acid, alkali, salt and other 80 kinds of acid and alkali chemical corrosion resistance performance,and also with good water pressure resistance performance and anti-permeability ability.The product has excellent aging resistance performance, long service life.The product is non-toxic and tasteless, the process of the production and use has no pollution, which belongs to the green environmental protection product

1, The spec. of the product

breadth:1.0m---8.0m

thick width:0.5mm---3.0mm

length: according to the clients requirement

2, the main performance index

NO.	Items	index
		1.5mm mill finish	2.0mm mill finish
1	density, g/cm3	≥0.94	≥0.94
2	Tensile properties, N/mm	≥43	≥57
3	Yield strength, N/mm	≥25	≥30
4	Elongation at break, %	≥700	≥700
5	Elongation at yield, %	≥13	≥13
6	Angle tear strength,  N	≥210	≥249
7	Punctured strength,   N	≥550	≥700
8	Carbon black content,    %	≥2.0	≥2.0
9	Environmental stress cracking resistance F20, h	≥1500	≥1500
10	Oxidation induction time at 200.C     min	≥100	≥100min
11	Water vapor permeability coefficient g·cm/(cm2·s·pa.)	≤1.0 *10-13	≤1.0 *10-13
12	-70.C Low temperature brittleness properities	pass	pass
1)   Black geomembrane requirements

3, the implementation of product standards

GB/T 17643-1998

SL/T231-98     

 4, the scope of the product

This product is applicable to the reservoir, dams, channels, reservoirs, diversion tunnel, water recreation facilities, highway, railway, airport, building’s base water and all kinds of underground, underwater engineering leakproof-lined and as garbage dumps, sewage treatment, wastewater treatment and other environmental projects in the field of waterproof materials

HDPE Impermeable membrane