LDPE Geomembrane

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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.
  1. Complete variety of specifications of width and thickness. Thickness: 0.08-2mm/Width: 2-16m .

  2. Excellent environmental stress resistant cracking performance.

  3. Excellent performance of chemical erosion resistance.

  4. Big scope of application temperature and long service life .

  5. Applied in landfill waste site, sewage and filth treatment site, tailings depot and underground construction project


Items

Index

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


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Q:Maintenance time of the cushion on the roof of the building
According to the "concrete structure construction quality acceptance criteria" provides: Concrete should be poured within 12h after the completion of the concrete to be covered, and moisturizing conservation;
Q:When the cushion is used, the thickness of the protective layer is not less than ()
Basement roof: non-load protection layer generally use C20 fine stone concrete or reinforced concrete, the thickness of 50 ~ 80mm. The road, driving the protective layer is determined by design.
Q:How to build a fine stone concrete cushion?
The main role of the cushion is to meet the requirements of the design elevation. In addition, the cushion to meet the sound insulation, insulation, insulation, slope and buried pipeline and other functional requirements and set a variety of levels.
Q:Why calculate the amount of time to count a lot of cushion ah
It can be seen, in the preparation of the project budget, the cushion is also a very important sub-head, the amount of its calculation is often measured by m3, the current commonly used materials are concrete, gravel, stone, Stone slag), slag, slag concrete, lime and so on.
Q:Roof waterproof mattress should play the number of centimeters appropriate
  2. repair the cracks well. After the cracks to be repaired are dry, start waterproofing.
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:The roof cushion is waterproof on the slope roof
Most of the slope roof itself is not waterproof. The role of the slope roof is used for drainage,
Q:Do you need a cushion for roof waterproofing?
There is no "cushion" on the roof, and there is a concrete cushion under the basement floor. What you said may be leveling, is the base of the waterproof layer.
Q:What is the relationship between the cushion and the ring beam?
Cushion is plain concrete or asphalt concrete (for groundwater soil corrosive strong site). Is located below the ground, in order to prevent the foundation or the concrete beam pouring when the excessive loss of water caused by defects set. The purpose is to ensure the quality of concrete, increase the durability of underground components
Q:The cushion is usually in the housing which parts
Cushion is generally at the base, looking for the use.

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