Sodium Bentonite Geosynthetic Clay Liner (GCL) for Anti-Seepage

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HDPE waterproofing geomembrane

        

      The geomembrane uses a plastic film as the anti-seepage substrate, a geotextile material composited with the non-woven fabric, and the anti-seepage performance of the new material geomembrane mainly depends on the anti-seepage performance of the plastic film. Plastic film for anti-seepage applications at home and abroad, mainly including polyvinyl chloride (PVC) and polyethylene (PE), EVA (ethylene/vinyl acetate copolymer), and the use of ECB (ethylene vinyl acetate modified asphalt) in tunnel applications. Mixed geomembrane), they are a kind of polymer chemical flexible material with small specific gravity, strong elongation, high adaptability to deformation, corrosion resistance, low temperature resistance and good frost resistance.

Characteristics

Geomembrane is a waterproof barrier material based on high molecular weight polymer.

Mainly divided into: low density polyethylene (LDPE) geomembrane, high density polyethylene (HDPE) geomembrane and EVA geomembrane.

1. The width and thickness are complete.

2. It has excellent environmental stress crack resistance and excellent chemical corrosion resistance.

3. Excellent chemical resistance.

4. Has a large operating temperature range and a long service life.

5. Used in landfills, tailings storage sites, channel seepage prevention, dam seepage prevention and subway engineering, etc.

The main mechanism is to block the water leakage passage of the earth dam by the impermeability of the plastic film, to withstand the water pressure and adapt to the deformation of the dam with its large tensile strength and elongation; and the non-woven fabric is also a polymer short fiber chemistry. The material has high tensile strength and elongation by needle punching or hot tack forming. When combined with plastic film, it not only increases the tensile strength and puncture resistance of the plastic film, but also the rough surface of the non-woven fabric. The friction coefficient of the contact surface is increased, which is beneficial to the stability of the composite geomembrane and the protective layer. At the same time, they have good corrosion resistance to bacteria and chemicals, and are not afraid of acid, alkali and salt erosion. They have long service life in the case of avoiding light.

Technical data

Technical specification of HDPE waterproofing geomembrane

NO.	Value	Test Value
0.75mm	1.0mm	1.25mm	1.5mm	2.0mm	2.5mm	3.0mm
1	Density(g/cm2)	0.939
2	Tensile properties
	Yield strength (N/mm)	11	15	18	22	29	37	44
Break strength (N/mm)	20	27	33	40	53	67	80
Yield Elongation	12%
Break Elongation	≥450
3	Tear resistance/N	93	125	156	187	249	311	374
4	Puncture resistance/N	240	320	400	480	640	800	960
5	Stress Crack resistance/h	≥1500
6	Carbon black
	Carbon black content/%	2.0-3.0
Carbon black dispersion	Carbon black dispersion(only near spherical) for 10 different views 9 in categories 1 or 2 and 1 in category 3
7	Oxidation induction time
	Standard OIT/min	100
High pressure OIT/min	400
8	Oven aging at 85℃
	Standard OIT-% retained after 90 days	55
High pressure OIT-% retained after 90 days	80
9	UV resistance
	Standard OIT retained after 1600hrs	50
High pressure OIT retained after 1600hrs	50
10	Low temperature impact brittle property at -70℃
11	Permeability G.cm/(cm2).Pa	≤1.0×10-13
12	Dimensional stability	±2

Raw material

Production

Application

It is mainly used for waterproofing and seepage prevention in landfills, sewage treatment plants, artificial lakes, reservoirs, reservoirs, embankments, channels, tunnels, and various underground projects.

Our product stock

Our certificates

Payment and delivery

Our advantage

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Contact Us

Tel: +86-534-2567999

Email: xygeotextile@gmail.com

Add: Development Zone, Ling County, Dezhou City, Shandong Province, China.

We aim to find out quality disfigurement from the production and supply the best service to domestic and overseas customers wholeheartedly for Sodium Bentonite Geosynthetic Clay Liner (GCL) for Anti-Seepage. Our work rhythm is fast and tense, and provides broad development space for employees who make contributions to the company. After customers place orders, we will speed up the production to ensure the construction period.

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