polymer and asphaltum EVA adhesive waterproofing membrane liner for dam and swimming pool

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
1000 m²
Supply Capability:
900000 m²/month

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Product Description:

Description of self adhesive hdpe geomembrane sheet: 


    HDPE is a non polar thermoplastic plastic with high crystallinity and perfect electrical properties,especially the high insulation dielectric strengh.This polymer is non-hygroscopic which can be used to packing with good waterproof steam.HDPE with Middle to high molecure weight have good impact resistance at normal temperature even in the zero 40 degree Celisius.


Advantages of self adhesive hdpe geomembrane sheet:

  • high insulation dielectric strength

  • perfect impact resistance

  • good heat /cold endurance

  • no toxic

  • excellent chemical resistance

  • low water absorption

  • good temperature properties

  • great chemical stability

Parameter of HDPE                                                                                               

 

density(g/cm3)0.91-0.95Brittle Temperature(°c)<-120< span="">
water absorption(%)<0.01< span="">Linear expanding coefficient1213
in-process shrinkage(%) 1.55.5-Thermal conductivity(W/(m.k))0.44
tensile strength(Mpa)21-37Volume resistivity(Ω.cm)61015
breaking extension(%)>880Dielectric constant(106HZ)2.34-2.35
Bending strength(Mpa)11Dielectric dissipation factor0.0003
compressive strength(Mpa)10Dieletcric strength/(Kv/mm)>20
impact strength(KJ/m²)4070Arc resistant/s115
Rockwell HardnessR70Oxygen index(%)20
Heat formation temperature(°c)75

Packing and Delivery

Packaging Details:self adhesive hdpe geomembrane sheet packing: 
By pallets or according to your request
Delivery Detail:10-15days after your deposite



polymer and asphaltum EVA adhesive waterproofing membrane liner for dam and swimming pool

polymer and asphaltum EVA adhesive waterproofing membrane liner for dam and swimming pool



FAQ
1Why use HDPE sheet?                                                                                                                                 

HDPE Sheet has an almost waxy feel to it and is pretty good at being a low friction wear strip material and is used probably more than any other plastic as a wear strip on conveyors or production lines of huge companies.

 

2When can I get the HDPE price?                                                                                                               

After getting your inquiry,the reply will be send to you in 8 hours at most.If you are urgent to get the price,pls call us or tell us in the email so that we will regard your inquiry priority.

3.How long can I expect to get the sample?                                                                                                

After learning all the requirments of the sample clearly,those itmes will be send to you via express which will take 3-5working days.You can use your own express account or prepay us if you do not have an account.


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Q:Construction technology of geomembrane:
Notes for geomembrane joints: (1) the joint treatment of the geomembrane is the key process of construction, which directly affects the service life of the project. Indicated by quality test, hot weiding is an ideal way. (special adhesive is also available). Heat welding method is heating the surface which is connected with the PE geomembrane, the surface melting, and then through the pressure to merge them into one, (2) Geomembrane shall be paved along a certain direction, on both sides of the geomembrane should be reserved for certain PE membrane and PET membrane bonding layer.While paving, we should adjust the tendency of geomembrane of each unit, in order to bring convenience to two units geomembrane welding. (3) Press geomembrane with sand bags to prevent wind after pavement, edge joints requires no dirt, moisture, dust, etc.. (4) before welding, adjust the joint at two sides of PE membrane, jointing them with broadband, and making them smooth, and no wrinkle. (5) When welding, it is better to have a technical personnel of certain experience, and use a special welding machine for welding. Adjust the temperature and speed, (can also use adhesive to bond). According to many years of practice, it is proved that the thickness of the geomembrane is not less than 0.25mm, because too thin is possible to produce porosity, and it is easy to be damaged in the construction to reduce the seepage control effect. During the construction of geomembrane, we should pay special attention that the pavement should not be too tight, shouldn't wrinkle, and the jointing should be firm. We should construct strictly according to the technical specifications, checking five quality clearance comprising preparation, paving, splicing joints, testing and backfill.
Q:How is the heating performance of the electrothermal film?
Generally speaking, the effect is good. One of its advantages is that it is heated fast, easy to control and not counted as floor height when installed. However, the heating effect is also related to the thermal insulation of the house and the installation of electric heating film.
Q:How to put up membrane on the laptop?
First, the membrane should be of good quality and smooth. For the membrane bought from stall at the price of 5 yuan, it is impossible to expect there is no bubbles appearing after pasting. Second, clean the sceen thoroughly and make sure there is no dust on it. Third, when you put up the membrane, you should start steady and do it slowly. Fourth, if it is not very successful and few small bubbles appear, you can use a soft cloth (such as glasses cloth) to push out them gently.
Q:What are the different kinds of production equipments of perforated film?
Lathe, milling machine, drill press, bench drill, jackhammer, water drill, battery-power drill, percussion drill.
Q:Does electric heating film consume a lot of electricity?
The electric heating film is very energy saving and comfortable.
Q:What's the construction method of soft film ceiling?
1. First to go to the site to see if there is a condition of installing the keel: Look at the scene to make sure the wall is completed, and woodworking processing part is qualified, the area that need to be plastered should be completed first. First part plastering carpentry part we proposed must be in accordance with the requirements to do, to advance the processing of.2. entering the construction site conditions Licensor hole size lamp, air outlet, first part is fixed according to the design Aluminum Alloy keel keel carpentry requirements drawing well, attention must be right angle connecting to smooth, flat, dense.3. lamp holder, tuyere, light tube plate to and around the keel level, and firmly cannot swing can smooth.4. smoke, ceiling lamps, the first position to make a wooden frame, wooden frame the bottom surface should be polished, and pay attention to the level of height is too low, it is easy to show a trace of.5. before installing ceiling, carefully check the keel joints are solid and smooth, the spray head to stick on the white tape, an outlet should be well handled. When loading the smallpox to first from the middle to both sides of the fixed, while paying attention to size on both sides and pay attention to welding seam to the final straight angle position, pay attention to smooth. Around the well to the smallpox pruning removes. To perfect income effect on the edge. Turn on the light hole. To mark the position of the lamp hole , and carefully stick the PVC lamp ring carefully and accurately on the bottom of the soft film and then remove the excessive smallpox after it is firm. Find the position of the outlet and the light pipe handicap, just as the surroundings, to install the soft film to the aluminum alloy keel, pay attention to keep the angle be smooth.
Q:What are the functions of the battery diaphragm?
The diaphragm is of course used to separate the anode materials from the and cathode materials. One side is copper foil coated with anode material, aluminum foil coated with cathode material. The positive and negative electrodes are separated by diaphragm, and anode and cathode material penetrate this diaphragm to discharge electricity. At present, they are all basically imported. it is said that homemade diaphragm is not very mature. which belongs to high polymer material. so, it should have a little scientific and technological content. . . The diaphragm is very important, because once it is punctured by impurities or hard objects , the battery will short out, which is likely to swell. namely the so-called flatulence.
Q:What is the material of the installation technology of soft membrane?
The soft film is with special PVC materials made to ensure that the cadmium. The level of its fire prevention is B1. By a single or multiple cutting forming and high frequency completion of welding, it is to be in accordance with the in field measurements of smallpox shape and size in the factory production and.
Q:What is the construction method of HDPE geomembrane?
1. Flatness: ± 2cm / m2, smooth and straight; 2. Compactness: 95%, it is only after rolling that the geomembrane can be paved; 3. Longitudinal and transverse slope: more than 2%, the contour boundary and structure of landfill bottom must be conducive to percolation.
Q:Speaking of renovation of small dam pond , is it necessary to cover anti-seepage geomembrane in the dam base with soil ? if so, then how thick do we need?
Yes, of course. we had better ensure that the thickness is insusceptible to stone or other sharp objects. We don't need too thick, 5cm is enough.

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