Spun-bond Polyethylene Nonwoven Geo-textile

Spun-bond Polyethylene Nonwoven Geo-textile

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 10000 m²

Supply Capability:: 300000 m²/month

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1.Structure of Geotextiles Description:

Geotextile, also called geotextiles, it is made of synthetic fiber by acupuncture or the permeability of woven geosynthetic materials. Finished products for cloth, width is commonly 4 to 6 m, length is 50-100 meters. Geotextile divided into woven geotextile and non-woven geotextile. Geotextile has excellent filtration and drainage, isolation, reinforcement, seepage control, protection, light weight, high tensile strength, good permeability, high temperature resistance, freezing resistance, ageing resistance, corrosion resistance properties.It is suitable for geotechnical engineering to meet the demand of the different characteristics, and form a geotechnical material industrial products series. Widely used in rivers, coast, harbor, roads, railways, docks, tunnels, Bridges and so on in the geotechnical engineering. It can meet a variety of different purposes.

2.Main Features of Geotextiles:

High tensile strengh,Corrision resistante.

Good permeability,Microbial resistance.

Light weight, low cost, corrosion resistance

Convenient for Construction.

3.Geotextile Specification:

Gram(g/m2)	100	200	300	400
Thickness(mm)	0.9	1.7	2.4	3.0
Breaking strength(≥kN/m)	2.5	6.5	9.5	12.5
Tear strength≥(kN)	0.08	0.12	0.24	0.33
Bursting strength≥(kN)	0.3	0.9	1.5	2.1

4.Geotextile Images:

Spun-bond Polyethylene Nonwoven Geo-textile

Q:Waterproof electrode, waterproof welding: Example: Water supply with steel pipe Company Caoxi - central pumping station Huang She Lou 800 mm steel pipe leakage. The excavation, inspection found: weld welding position of about 600 - 700 mm cracking, the bottom of the crack width of nearly 15 mm. Pipe sewage for a reason can not be drained, the water depth of about 200 mm, the sewage at a long flow. As the top of the water welding is different from the underwater wet welding, even with the T202 underwater electrode, the front overflow will break through the arc bubble, and the welding can not be carried out.For the commonly used electrode, the water will quickly cool the electrode coating, Condensation, no longer arc. ?In order to offset the water pressure from the leak and compensate for the heat loss of the welding water cooling, the use of small diameter electrode (2.5-3.2 mm) welding current 1.5-2 times larger than usual, short arc welding. From the direction of welding to be accurate, action to be fast, arc is not easy to use scratch method, easy to use touch method. Special attention, must not be convenient at the location of welding. In this case, when the weld is gradually reduced and concentrated in the lowest part of the welding position, the water is more urgent, welding will be more difficult (in general, the pipeline should be welded from the welding position. 1, the 12 mm of steel into the crack, the outer surface and the steel than the wall flat. , At the bottom of the pipe will be reinforced and pipe wall spot welding, then the steel into the crack by paragraph, every 50 mm on both sides of the spot welding. When the crack is too small can not break into the steel, for smaller steel bars, until the basic fill the cracks, control the gap to be welded less than 3 mm. Then the amount of water is clearly reduced, can be formally welded (it is necessary to wet gloves, clothes for dry, to prevent electric shock)

Q:What is the impact of TPO waterproofing membrane welding performance?: Dow Chemical TPO and Basel TPO due to the different grades of production technology, raw material ratio is different from the formula system for the performance of the material melting point, polymerization, molecular weight distribution index, melt index, melt strength, weldability are not same. It is recommended that attention be given to the above factors in the course of the test

Q:Surfacing isolation layer is the application of what, how to achieve surfacing isolation layer weld.: The surfacing isolation layer is mainly used to separate the main surfacing layer from the base metal, especially when the surfacing layer is welded directly to the base material. It is usually used with the third component, but with the surfacing layer and Base metal can be a good fusion of metal welding consumables, in the surfacing surface of the first welding a layer, and then on this basis and then need to re-welding the metal.

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