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Help CenterSodium Bentonite Compoaite Waterproof Cushion
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Specifications
1.Waterproof Cushion used in municipal engineering , railways2.Ingredient:non-woven geotextile,bentonite,woven geotextile
The introduction and performance of bentonite compound waterproof cushion(GCL):
1.GCL is a new type of geosynthetic materials.
2.GCL widely used in municipal, roads, railways, water conservancy, environmental protection, and industrial and civil building construction of underground waterproofing seepage control.
3.Application:
1)Used in Lord of the landfill geomembrane lining layer
2)Used in The Times of landfill geomembrane lining layer
3)Used in a landfill geomembrane under the clay and layers
4)Used for covering layer of landfill geomembrane next
5)With a wall of water of ramus osteotomy geomembrane adjacent
6) GCL on geomembrane , used to prevent aggregates will geomembrane punctured
7)Used for underground storage Wells second lining layer
The spec and property indexes of GCL:
Test Items |
Test Method |
Technique Data |
Expansion coefficient |
ASTM D 5890 |
24 mL/2g min |
Mass per unit bentonite |
ASTM D 5993 |
3.6kg/m2 min |
Tensile strength |
ASTM D 4632 |
400 N marv |
Peel strength |
ASTM D 4632 |
65 N min |
GCL index flux |
ASTM D 5887 |
1×10-8 m3/m2/sec max |
Permeability |
ASTM D 5887 |
5×10-9 cm/sec max |
GCL hydrated internal shear strength |
ASTM D 5321 |
24kPa typical |
Bentonite swell index |
ASTM D 5891 |
18mL max |
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