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

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Tianjin
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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: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's the service life period of geomembranes?
The years of working under sewage conditions is 60~90 years. The service life period issue of geomembrane. Thickness used in irrigation works is 0, mainly depending on whether the plastic film loose anti-seepage and water-proof function. The years of working under clean water conditions is up to 80~120 years. According to the Soviet National Standard. 2m plus stabilizer polyethylene film. Therefore, the service life period of geomembrane is sufficient to meet the service life period required by dam seepage-proofing
Q:How much is PVC composite geotechnical membrane?
PVC composite geotechnical membrane costs about 100. Composite geotechnical membrane is a water impermeable material made by compositing geotextile fabric and geomembrane. It is mainly used for seepage control, composite geotechnical film is divided into one cloth and one membrane and two cloths one film with width of 4-6m, weight of 200-1500g/m2. The tensile and tearing resistance, bursting and other physical and mechanical performance index is high, and can meet the need for irrigation, municipal, construction, transportation, subways, tunnels and other civil engineering. Because of its selection of polymer materials and anti-aging agent is added in the production process, it can be used in unconventional temperature environment.
Q:What is the hotfilm electric film?
The hot-film electrothermal film. Is is supporting the heat with the far infrared produced the heating carbon. This heat is not convection but can convey conduction. A long time hyperthermia can be gotten by thermal radiation so as to improve the body temperature, expand blood vessels, and promote metablolism. It can also produce far infrared and ion. It not only has a good performance of supplying heating, but also takes the safe of the heating system into consideration. The hot-film heat is due to the use of carbon as a heating body to produce radiant heat step, using the following 1um precision printing technology produced, known as surface heat generation. The surface of the heating element is made of by the carbon thin film processed by the 150 centigrade temperature.
Q:Which one is better, electric heating film and oil heater
Electric heating film is better because, the electric heating film is flexible heating, having wide heating area, and fast heat transfer.
Q:How to weld the geomembrane better?
When the temperature is below 5 degrees Celsius, construction should not begin in accordance with the requirements of the specification. If the construction must begin, the welding machine should be preheated before welding. 6 4 the welding line must be neat and beautiful, and there must be no slide welding and hopping. When the geomembrane is laid, telescopic deformation caused by temperature change should be reserved according to the varied range of local temperature and the properties of the geomembrane. 2 The joint of the geomembrane must not have oil as well as dust and the overlapping section of the geomembrane should not be have debris like sand and mud. The debris must be cleaned before welding. 12 the welding line of adjacent welding seam should be lapped staggerly. 9 Before the welding starts everyday, a sample of 0.9mm×0.3mm should be test welded on the scene. 5 13 When welding the geomembrane, electric generator of great voltage regulation performance should be used to supply power and voltage stabilizer must be used when using local electricity under special conditions.
Q:Where are geotextiles and geomembranes usually used?
Geotextiles are usually used for filtration, maintenance (including road maintenance and railway maintenance), reinforcement of roadbeds, seepage control of tunnels, construction of landfills. Geomembranes are usually used in for seepage control of gangues, landfills, cesspits, oil tanks, etc. The composite geo-membranes are made from geotextiles and geomembranes. They are usually used for seepage control of water conservancy facilities, such as artificial lakes, reservoirs, canals, etc.
Q:What is the requirement of HDPE geomembrane impermeable membrane welding work?
Q:How to deal with oil slick on fish tank?
Oil slick processing methods: 1. Using the oil slick processor to make the oil slick into the filter, and then using the filtering cotton in the filter to adsorb, at last decomposing bacteria by nitrobacterium. 2.Collect oil slick in the cup slowly and then dump it. 3. Use oil-absorbing sheet to absorb, put an oil-absorbing sheet at the opposite corner(oil-slick aggregated area) of water outlet to absorb oil slick. 4. Install trumpet funnel commingler to absorb oil slick, mix it with water, and it will be decomposed through absorption by filtering cotton. 5. pump up the planted aquarium at night after lights off 6. Remove contamination in the filter.
Q:What are the differences of seepage-proof geomembrane and polypropylene fiber impervious geotextile?
Watercourse. The excellent environmental stress cracking resistance of seepage-proof geomembrane enables it to be used in large seepage-proof projects such as landscape lake, impounding reservoir and other projects, the anti-seepage effects are basically same: Toilet waterproofness seepage-proof geomembrane is made of high density polyethylene (HDPE) Tunnels: Reservoir, polypropylene fiber impervious geotextile is made of polypropylene fiber (PP). Polypropylene fiber impervious geotextile has a high friction coefficient which are often used in small buildings. These impermeable materials are both acid- and alkali-resisting.

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