PVC Geomembrane

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1. Geomembrane specifications

1) Thickness : 0.15mm - 4.0mm.

2) Width : Within 8 m (1m-8m).

3) Length : 50m-100m/roll (as request).

4) Material : HDPE,( LDPE, LLDPE, PVC, EVA ).

5) Color : Black , white , red , blue , or as required.

6) Optional surface : Textued(one or two side) or smooth surface.

7) Certificate:CE/ISO9001,14001

2. HDPE geomenbrane Features

Good mechanical properties, high tear strength, deformation and adaptable, puncture resistance, anti-aging, anti-ultraviolet-resistant, Anti oil and salt, pH, anti-corrosion, high temperature-resistant, non-toxic, long service life. water, drainage, seepage, the good effect of moisture, width, thickness of the full range of specifications and low cost, simple construction.

No.	Item	Test Value
No.	Item	0.75mm	1.0 mm	1.25 mm	1.5 mm	2.0 mm	2.5 mm	3.0mm
1	Minimum Density(g/cm³)	0.939
2	Tensile Property
	Strength at yield,N/mm	11	15	18	22	29	37	44
	Strength at break ,N/mm	20	27	33	40	53	67	80
	Elongation at yield,%	12
	Elongation at break,%	700
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, hrs	300
6	Carbon Black Content, %	2.0-3.0
6	Carbon Black Dispersion	1 or 2
7	Standard OTI Min	100
7	High Pressure OTI Min	400
8	Impact Cold Crack at -70°C	Pass
9	Water vapor permeability (g.cm/cm2 .s.Pa)	≤1.0×10-13
10	Dimensional Stability (%)	±2

3. HDPE Geomembrane Applications

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.) .

Q: Can the cushion on the prefabricated board floor be dug?: 1, can not be dug, the prefabricated board seam is too big. 2, in addition, now rarely used prefabricated panels, the earthquake effect is not good; especially after the Wenchuan earthquake. If it is cast-in-place floor, you can dig out.

Q: Why do the basics of the cushion waterproofing: Base cushion waterproofing is not contact with the soil (Ying water) to prevent water into the cushion, but in the cushion and the base of the bottom of the contact, in fact, is the basis of the bottom of the waterproof.

Q: Is it possible to make a waterproof layer: 2, waterproof layer: In order to prevent the rain into the roof, groundwater into the wall, basement and underground structures, indoor water into the floor and walls and other materials layer.

Q: Can the floor tiles be removed from the cement mats on the prefabricated board floor?: Cement cushion as a leveling layer on the floor, not designed to the structure of the load-bearing, the general can be dug, the cushion is generally 3 to 5 cm, chisel in addition to unloading the floor of the heavy objects, chisel in addition to the use of strong vibration Machine or penetrating machine is too large, with a small hammer small chisel, along the horizontal plane horizontal chisel, stripping cement cushion.

Q: What is the difference between leveling and cushion?: Cushion, the base material is not divided into materials at the same time, the design will be described. Material is the same concrete, the greater than 20CM calculated basis, less than, equal to 20CM calculated cushion. Leveling layer refers to the original structure due to the existence of uneven or slope and the laying of the base layer, is conducive to laying the surface layer or waterproof, insulation layer. The role is to play a leveling, looking for a slope or enhanced function.

Q: Is foam concrete suitable for use as a cushion?: And then through the foaming machine pumping system for cast-in-place construction or mold forming, the formation of natural conservation with a large number of closed pores of the new lightweight insulation materials.

Q: Large area ground concrete cushion seam Why is the separation of joints generally concrete: First, the rigid waterproof layer in a large area of ??construction, by the external force, temperature, humidity changes, structural layer deformation and other factors prone to cracking, leading to leakage, the design should consider the deformation of the waterproof layer to take the necessary Structural or structural measures to avoid and mitigate the cracking of the waterproofing layer to achieve the desired waterproofing effect.

Q: How to build a fine stone concrete cushion?: Reduce ground cracking, plus steel mesh. Reinforced mesh, should be placed in the middle of the concrete, because the protective layer of concrete thick Fang generally only 5CM thickness, so the middle is the best.

Q: Basement floor mattress dry to what degree can do coil waterproof?: Pull a square coil, tiled on the floor above, in the case of the sun, the sun shines on half an hour, in turn, look at the coil, if no water to prove that the water content is not large, that can be construction.

Q: Maintenance time of the cushion on the roof of the building: Concrete watering maintenance time: the use of Portland cement, ordinary Portland cement or slag Portland cement mixed with concrete, not less than 7d;

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