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Help CenterMine Grid for Underground and Tunnel Roof and Wall Support
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Specifications
high strength, light in weight, easy construction, acid and alkali resistance, fatigue resistanceProduct 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
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.
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.
Flame retardate property:
The experiment of alcohol blow lamp flame burning test to the sample: when
move the lamp away, the total time of flame combustion of the six samples in one
group should be less than 18 seconds, total time of flameless continued burning
should be less than 60 seconds. And to any of the six samples, the total time of
flame burning should less than 10 seconds and flameless time 30 seconds.
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