Product Details

coal mine grid geogrid road construction material

coal mine grid geogrid road construction material features

1.Safety of supporting fake ceiling in thick seams slicing. The product adopts high-modulus and high strength long polyester fiber warp knitted and bundled

together as its body and then is coated with fire retarding and static conducting

material. It can be cut by the miner without producing sparks, so the mine fire

accidents and gas exploration can be prevented.

2.Light weight: the product is made of high modulus and high strength polyester

yarns, which is much lighter than metal mesh and steel-plastic supporting mesh

of the same size. And it is also very easy to transport and construct.

3.Stable chemical property: in the coal mine, the metal is vulnerable to corrosive

acid bases and other chemicals. The naked iron mesh rusts and corrodes easily.

However, the flame fire retardant and static-conducting coating of high strength

polyester mine grid is difficult to rust and age. So life span of the product can be

extended naturally, thus the potential accidents and production cost also can be

reduced.

4.The product is not easily to scratch those who work on the site. So it is easy to

construct and can improve work efficiency.

5.Mine grid is soft, tough, light and high tensile. And it only weighs 1KG per

square meter, while the metal mesh of the same size weighs 32KG. The mesh’s

minimum tensile strength is 40KN per square meter, and its maximum strength

reaches to 800KN, superior to the metal mesh.

6.The product has the property of fire retardation and static conduction. By

technical processing of the coating, both of the double resistance indexes achieve

the requirements of MT141-2005 Plastic Coal Mine Fake Ceiling Belt.

Main application and Ranges of coal mine grid geogrid road construction material

The product is mainly functions as fake ceiling and wall supporting in thick

seams slicing, and supporting material for anchor roadway, supporting roadway,

bolting and shotcreting and other various kinds of roadways. And it also can be

used in other mine roadway projects, slop protection projects, underground

engineering projects and the anchoring and strengthening of road construction

projects. It is the best substitution of plastic knitting mesh, steel mesh wire mesh

and steel-plastic supporting mesh.

Structure and size of coal mine grid geogrid road construction material

1.Structure

Structure features

The product is made of highmodulus and high strength long polyester yarn and coated with fire retarding and static conducting material

which makes the product has the property of resisting acid bases and other chemicals. So its life span can be extended and the constriction safety can be improved. And the product also has the combined advantageous properties of

PVC's anticorrosion and the high tensile strength of high modulus and high strength polyester yarn. Vertical and transverse cross points of the mesh are bundled by high strength fibers into highlow, shaped, uniform square grids, and forms firm modes,

which give full play to its mechanical property.

2. Length and Width

(A) The roll length is 30-50meters, adjustable at the client’s requirements.

(B) The width is 1-6meters, adjustable at the client’s requirements.

Main Technical Parameter

Property/Specification		40×40	50×50	60×60	80×80	100×100	120×120	160×160	200×200	240×240	300×300	400×400	600×400	800×800
Tensile Strength(kn/m)	warp(≥)	40	50	60	80	100	120	160	200	240	300	400	600	800
Tensile Strength(kn/m)	weft(≥)	40	50	60	80	100	120	160	200	240	300	400	400	800
Breaking Elongation(%)		<25%
Grid size(mm)		5050 6363
Grid aperture(mm)		2020 4040 50*50
Width(m)		1-6 meters(widen 12 meters at special requests)
Flame retardate(s)		Flame:<3s Non-flame:<10s
Static conduction(Ω)		<1.0×109

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