CJ / T234-2006 2.5mm glossy green HDPE geomembrane

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Product Description:

 

1.Product Description:

1) Environmental protection, sanitation (such as solid waste landfills, sewage treatment plants, power plants Chi-conditioning, industrial, hospital solid waste, etc.) .

2) Water (such as rivers, lakes and reservoirs of the anti-dam, plugging, reinforcement of the canal seepage, the vertical wall of the heart, slope protection, etc.).

3) Municipal Engineering (subway, on the ground floor of the building, planted roof, the roof garden of anti-seepage, sewage pipes lining, etc.).

4) Landscape (man-made lake, river, reservoir, golf courses reservoirs of the substrate, slope protection, green lawn of the waterproof moisture, etc.).

5), Petrochemical (chemical plants, oil refineries, gas storage tanks of the anti-chemical reaction tanks, sedimentation tanks of the lining, etc.).

6), Mining (washing and pool heap leaching, the ash-field, dissolved, precipitation, the yard, the tailings seepage substrates, etc.)

2.Product Characteristic                            

Our product was proved as good physical and mechanic performance, high tearing resistance, strong deformation adaptability,

puncture, aging, ultra-violet radiation, oil and salt, alkali and corrosion resistance, high and low temperature resistance, non-toxicity, long

operational life, good waterproof, drainage, anti-seepage and damp proof effects, complete width and thickness specifications,low cost

and simple construction.

3.Specifications:        

1.thickness : 0.1--3.0mm,

2.Length: 50 m -100 m ; width: 4 m -8 m ( according to customer needs )

3.Elongation at break:700%

3.Material: HDPE.

4.Color: Black or as required

4.Referene Picture


 







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Q:Brief introduction of geomembrane
The geomembrane is a kind of waterproof barrier material, which takes the high-molecular polymer as the basic material. Mainly divided into: Low density polyethylene (LDPE) geomembrane, high density polyethylene (HDPE) geomembrane and EVA geomembrane. 1, complete in specifications of width and thickness. 2 has excellent resistance to environmental stress cracking and excellent resistance to chemical corrosion. 3, excellent resistance to chemical corrosion. 4 has a larger using temperature range and a longer service life. 5, used in the refuse landfill, tailings storage yard, channel seepage-proofing, dam seepage-proofing and subway projects, etc.. Physical mechanical properties of geomembrane Varieties index item LDPE geomembrane HDPE geomembrane EVA ordinary type environment friendly type tensile strength (vertical and horizontal) (MPa) ≥14 ≥17 ≥25 ≥18 breaking elongation rate (vertical and horizontal) (%) ≥400 ≥400 ≥550 right angle tear strength vertical and horizontal) (N/mm) ≥50 ≥80 ≥110 ≥90 water vapor penetration coefficiency (g.cm/cm.s.pa) ) ≤1.0x10-16 ≤1.0x10-16 ≤1.0x10-16 ≤1.0x10-16 using temperature range +70℃~-70℃ +70℃~-70℃ +70℃~-70℃ +70℃~-70℃ environmental stress cracking resistance (F20.H) - - ≥1500 - 200℃ oxidation induction time (min) ) - - ≥20 -
Q:How to choose the geomembrane?
According to different classifications, geotextile have lots of varieties. According to whether there is a clear line of latitude and longitude, the geotextile can be divided into non-woven geotextile or woven geotextile. Geotextile, especially nonwoven geotextile is rather like ordinary cotton cloth (not necessarily accurate) and most geotextiles are white. Some geotextiles contains impurities, thus showing other colors. Woven geotextile which is not waterproof is like a snakeskin bag.
Q:What's the origin of leakproof geomembrane?
In my opinion, waterproofing is that the water should be kept out, such as embankments, dams, their waterproof controls mainly prevent outside water from sluicing and soaking; while anti-seepage mainly prevents internal water flowing out, such as impervious barriers of landfills, the purpose of which is to prevent sewage and hazardous substances from polluting the land.
Q:What's the question need to notice about the construction method of composite geo-membrane?
Composite geomembrane is divided into a cloth a membrane and two film can be widely used in water conservancy dam, highway, airport, drainage, building, environmental protection and other fields can be up to 6 meters in length, the thickness of the membrane material from 0.2 mm - 0.8 mm protective layer of geotextile from 100 g/m2, 800 g/m2, compared to similar products with same breadth, it has reduced the splicing and speed up the construction progress, but also decreased the hidden trouble caused by improper handling; Compared with the traditional cloth and film isolation, the composite geomembrane has increased the stability of product, save the project time, reduce the engineering cost, comprehensive benefit is obvious; composite geo-membrane is paved in embedment, has long durability, good aging resistance, hydraulic pressure resistance, corrosion resistance, high strength, wearing resistance, low temperature resistance, non-toxic, good drainage function of plane, excellent seepage-proof function; composite geo-membrane has unique thermal insulation, moisturizing, frost prevention and antifreezing function.
Q:The temperature requirement for the bonding with chloroprene rubber adhesive:What is the lowest temperature for the construction of geomembrane is bonded with chloroprene rubber adhesive.
Light membrane can't be bonded tightly. When it comes to interconnective bonding, composite membrane is basically ok above 0 degrees, but the bonding effect is not good. if the bond is a must, then you must, make sure whether it is light membrane or composite membrane strictly according to adhesion agent instructions.
Q:What's the principle of diaphragm valve?
Principle: Power drive screw with compressed air to make valve element move up and down and pull mebrane up and down movement to turn it off and on. Features: compact, simple, small, beautiful; switch with guide, smooth motion; little closing moment, long life, ≥30 million times; mebrane compaction can be automatically adjusted for uniform pressure and reliable sealing; install mebrane into valve element through pushing-in method which is easy to replace.
Q:What instrument should be used to test the pressure withstand strength of geomembrane?
Hydrostatic pressure tester is generally used.
Q:Painting film thickness standard
there is no specific criteria. no matter what kind of painting you are sparying, you can not brush until the treament of coating surface, otherwise there is no way to guarantee quality. brushing by hand for 2 - 3 times. Simple brushing needs at least two sides, if advanced brush need to be able to see the film thickness, it would need the N side. brushing until you are satisfied, pay attention to the quality of spraying, and pay attention to environmental protection
Q:Is the thickness gauge for lacquer film precise?
Errors are inevitable. We can just try our best to avoid it. Here are some factors that affect the accuracy. a. magnetic properties of a base metal The thickness guage using magnetism method to measure the thickness will be affected by magnetic variation of base metal (in practical applications, low carbon steel magnetic changes can be considered to be minor). In order to avoid the effect of heat treatment and cold processing, a standard sheet that has the same property with the base metal can be used to adjust the instrument. Test specimen to be coated can also be used to adjust the equipement. b. conductivity electrical properties. The conductivity of the base metal will affact the measurement and is relatedt to the its materials and heat treatment methods. a standard sheet that has the same property with the base metal can be used to adjust the instrument.
Q:Functional enhancement of composite geomembrane

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