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: Why do the basics of the cushion waterproofing: As for the bottom of the bar thickness of the protective layer is generally 4cm, but if the basic floor of the concrete label is relatively high, the protective layer can be appropriately reduced.

Q: Is it possible to make a waterproof layer: 1, to do after the dry do, or prone to the phenomenon of wall skin off.

Q: Is the raft cushion waterproofing full of the cushion?: 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. The general basis of the foundation, the bar base is not necessary to do, like a raft in the basement, it is necessary to prevent the water from dipping into the basement (so the basement design may have to do anti-floating calculations).

Q: What is the difference between leveling and cushion?: and only in the construction of the building at the bottom of the building, it is possible to use the relevant level of the cube, After the use of the underlying layer of the building, it is not exempt from the possibility of using leveling layer

Q: Cushion, waterproof layer construction to do what information: 3, 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: What is the relationship between the cushion and the ring beam?: Ring beam is reinforced concrete. Is to increase the overall wall and overall stiffness, improve the side resistance performance, according to the earthquake or masonry specifications set. There may be in the ground wall, there may be in the underground wall.

Q: Is foam concrete suitable for use as a cushion?: Inappropriate. Bubble concrete is a new type of energy-saving and environmentally friendly building materials, which are widely used in wall materials, but there are still some defects, such as low strength, cracking, water absorption, as the cushion of its strength is not enough standard.

Q: Large area ground concrete cushion seam Why is the separation of joints generally concrete: Second, sub-grid seam set In order to reduce the total shrinkage and temperature stress of the large area waterproof layer, avoid the leakage of the waterproof layer due to the deformation of the structural layer and the change of the temperature and humidity, the waterproof layer should be divided according to the shape, size and structure of the flat roof, Stay sewn. The waterproof layer is divided into several squares.

Q: What is the waterproof layer and the waterproof cushion in the tile roof?: Waterproof: In order to prevent rainwater from entering the roof, groundwater infiltrates the wall, the basement and the underground structures, and the indoor water penetrates the floor and the wall.

Q: Basement floor mattress dry to what degree can do coil waterproof?: Third, the membrane waterproof in the construction should first do the basement floor of the waterproof, and then the membrane along the basement floor continuous paste to the outer surface of the wall. Basement floor waterproofing first in the foundation pouring C10 concrete cushion, the thickness of about 100mm. And then paste the membrane, and then in the coil to wear 20 thick 1: 3 cement mortar, and finally pouring reinforced concrete floor. The outer surface of the wall first wip 20mm thick 1: 3 cement mortar, cold base oil, and then paste the membrane, the membrane should be stitched paste, adjacent coil lap width of not less than 100mm. The top of the coil should be higher than the maximum water level of about 500mm, the outer side of the brick wall.

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