Introduction of HDPE Geomembrane:
----Geomembrane including LDPE, LLDPE, HDPE, EVA, ECB and PVC geomembrane.
Application of HDPE Geomembrane:
---Prevent leakage disposal in waste burying field, waste water, or waste dregs disposing field.
River bank, lake dam, mine remaining, reservoir, tunnel, liquid storage pool(pit, mine)
Preventing leakage of subway, basement, tunnel, holes
Anti-slot leakage in roadbed and other groundsill
The plan direction laying of dam, the vertical direction laying for groundsill, used in the construction fence and waste material field.
Used in seawater or freshwater feed field.
Used in groundsill of road, highway, railway and waterproof layer of swelling clay and wet collapsed loess.
Preventing leakage on rooftop
Specification of HDPE Geomembrane:
Carbon Black (%)
Oxidative Induction Time
High Pressure OIT(min)
Oven aging at 85℃
Standard OIT-retained after 90 days (%)
High Pressure OIT-retained after 90 days (%)
Standard OIT retained after 1600 hrs (%)
High Pressure OIT retained after 1600 hrs (%)
Low temperature impact brittle property at -70℃
Permeability g. cm/ (cm2). Pa
≤1.0 x 10-13
Dimensional Stability (%)
- Q:What's the application technology of woven composite geomembrane?
- Application technology of woven composite geomembrane: It is referred to the same product. Because geotextile is emerging material, there is no canonical name for it, which causes the confusion and non-standardization of the definition of geotextile. The so-called composite geomembrane refers to the geomembrane that combines with two kinds of material or links with two kinds of material, and that uses the composite material with the function of insulation and anti-seepage.
- Q:What is the requirement of HDPE geomembrane impermeable membrane welding work?
- Q:how to construct the green revetment black geomembrane
- first dig the slope which need to be constructed well and cleaned well, laying geomembrane, on the geomembrane installed Renault pad mounted stone, and complete the construction by sealing.
- Q:What is the type of film thickness gauge
- 1. Ultrasonic thickness gauge Hong Kong Teichman TM1402. Taiwan Baker Royce paint film thickness gauge BK-8113A film thickness of iron-based coating thickness gauge 3. Lanteri coating thickness CM8822 non iron-based coating thickness gauge 4.LYT -2008 using magnetism thickness measurement method
- Q:European electrothermal film is good
- With the same power european express furnace and electrothermal film heater, the heating effect is basically the same. The difference is: the heat radiation of electrothermal film is quick(up quickly), but also cool off fast, generally speaking, both amount of heat are the same: Heat resistance =current squared × electric resistance × time.
- Q:What are the specifications of PE winding film?
- Width: 50 - 1200mm, the commonly used is 50cm in thickness. 0.012 - 0.08mm, commonly used is 2c-2.5c, 2c for labor, and 2.5c for the machine. strain rate: 300% - 500%, longitudinal 200% - 400%, horizontal 100% - 150% viscosity: Winding film has self-adherence, and this is because it is added to an adhesive (VLDPE) in the production, not the glue. Weight: 5 kg/ roll for the hand, 15 kg / roll for machine, and it can be customized according to customers' requirements. Packaging： Carton packaging, the general net weight for the hand is about 3 kg, 6 rolls/ box, 4 rolls / box with net weight 4-5 kg. 1 roll/ box for machine.
- Q:What is the use of the floor decoration film?
- The laying of the ceramic tile and the flooring also belongs to the basis of decoration. Usually there is no product protection used during and after the construction of ceramic tile. Concrete performances are as follows. It will These all will influence the effect of construction and lead to construction quality problems of the ceramic tile to begin pointing while the laying of ceramic tile haven't ended, pile up sundries or tread on the ceramic tile just as the construction ends or not protecte the ceramic tile and flooring using product packaging films. Using the packaging film to protect products like floors and doors can effectively prevent them from scratch or damage and reduce the risk of unnecessary loss during the finish.
- Q:The impermeable composite geotechnical membrane is different from the composite geotechnical membrane waterproof layer. What are the two indicators?
- Vinyl acetate copolymer) from the Le Jian Compony The impervious performance of the composite geotechnical membrane depends on the impervious performance of plastic film. The plastic film should have strong corrosion resistance and good extensibility. The impervious film applied at home and abroad and the ECB used in the design of tunnel are mainly PVC；polyvinyl chloride, polyethylene, ethylene which are with a good performance of high adaptability to the deformation. They are polymer chemistry flexible material with a small proportion. At present, it is with good frost resistance and low temperature.
- Q:does the skylight of the car stick membrane?
- We generally not recommend sticking membrane on the car skylight. 1, there have no too much infrared and ultraviolet radiation to the inside of the vehicle through the skylight; 2, usually there is no need to insulate heat through the glass skylight; 3, after window sticking membrane, it will increase the glass thickness, if the construction is not good, it will easily lead to the switch not smooth.
- Q:What's the technology of membrane switch?
- The schematic circuit, lead wire location, interface pitch and wire length of the membrane switch should be indicated. If it is installed to electronic components like LED lights, its positive and negative pole should also be marked. For the membrane switch panel material (PC or PET) and the type of adhesive, our company usually recommends
PET for panel material and 3M adhesive to clients. Membrane switch, also known as touch keyboard, adopts sealing structure composed by multilayer combination of the panel. It is a kind of new electronic component sealing the key switches, panels, tags, symbol display and liner together, and integrating with light, machine and electricity. It can perform tasks of the operating system more reliably.
geotech, is a well-known enterprise in the research, design, and devolopment of rail and road tunnels rubber waterproofing membrane products.
Since 1997 we has been engaged in the service work of rubber products and waterproofing roll roofing for
construction of railways, highways, bridges, tunnels and other projects. Rich experience of product development, technology,manufacture, quality control and after-sales has been accumulated.
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