Compound Geomembrane

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PVC Geomembrane

HDPE Geomembrane is a kind of waterproof material with basic raw material of high molecular polymer.

Geomembrane is a kind of waterproof material with basic raw material of high molecular polymer. It is mainly divided into LD PE geomembrane, , HDPE geomembrane, EVA geomembrance and all kinds of composite geomembrane.

Complete variety of specifications of width and thickness. Thickness: 0.08-2mm/Width: 2-16m .
Excellent environmental stress resistant cracking performance.
Excellent performance of chemical erosion resistance.
Big scope of application temperature and long service life .
Applied in landfill waste site, sewage and filth treatment site, tailings depot and underground construction project

Items	Index
Items	LDPE	HDPE -1	HDPE -2
Tensile strength MPa	≥14	≥17	≥25
Elongation at break%	≥400	≥450	≥550
Right angle tearing strengthN/mm	≥50	≥80	≥110
Carbon soot quantity	≥2
Environmental stress resistant cracking performance			≥1500
Oxidation induction time at 200min			≥20
Permeability coefficient of vapor(g·cm/cm2·s·pa)	≤1.0x
Impact degradation performance at -70	Pass
dimension stability%	±3

Q: Do you need a cushion on the ground floor?: First to ask the use of your huts, there is the strength of the huts. If you just get a little, then a few years into a dangerous floor, then calculate the ground, walls, roof (slope roof) area, doors and windows can be used as a wood plate loss.

Q: Foam concrete for the roof cushion generally do much bulk ah: First help you correct it, foam concrete used in the roof should be the role of thermal insulation, not as a cushion.

Q: Roof waterproof mattress should play the number of centimeters appropriate: Roof waterproofing can not use a single waterproof material, must be rigid and flexible combination of construction, flexible waterproof stretch is good, a little bit of settlement or deformation will not damage the waterproof layer. Rigid waterproof (ie mortar waterproofing agent) waterproof at the same time, can play a protective role, waterproof layer is not easy to be destroyed.

Q: Why do the basics of the cushion waterproofing: Raft foundation do not do waterproof mainly depends on the design of the groundwater level considerations, calculated if the floor itself to meet the requirements, you can not do, and not rigid to do

Q: The roof cushion is waterproof on the slope roof: When the moisture generated by the ice dam into the external walls of the gap, the walls and insulation layer will become damp, which is the ideal environment for the breeding of mold.

Q: Cushion, waterproof layer construction to do what information: 2, bedding (bed course) refers to the structure below the grass-roots level. Its main role is to water, drainage, antifreeze to improve the grass-roots and soil-based working conditions, the water stability requirements are better. The cushion layer is a structural layer between the base layer and the soil base. When the soil quality is poor, it is used to improve the water stability of the soil base, improve the water stability and frost resistance of the pavement structure and disperse Load to reduce soil deformation.

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: Basement floor mattress dry to what degree can do coil waterproof?: First, the basement moisture treatment structure is usually: first in the basement wall outer surface wiping 20mm thick 1: 2 waterproof mortar, basement walls should be used cement mortar masonry, gray seam must be full; and in the basement floor and the first Floor floor is divided into two walls of the level of moisture-proof layer. The outer wall of the basement wall should be tampered with the soil with poor permeability.

Q: Why calculate the amount of time to count a lot of cushion ah: ? In the municipal engineering, the bedding layer is a structural layer between the grassroots and the soil foundation. When the soil temperature is bad, the water temperature of the soil is improved and the water stability and frost resistance of the pavement structure are improved. Diffusible load to reduce soil deformation.

Q: Maintenance time of the cushion on the roof of the building: for the incorporation of retarding admixture or impermeable concrete , Not less than 14d;

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