Bentonite geomat ASL

Bentonite geomat ASL

7.30 $ Approximate middle wholesale price per square meter

  • Description
  • Additional information
  • Questions & Answers


Bentonite geomat (bentomat) ASL is a four-layered fabric, in which the first layer (upper) is a non-woven needle-punched fabric, density of at least 250 g / m2 (by order, it is possible to increase the density up to 600 g / m2), the second layer – granules of bentonite, the third layer – woven polypropylene high-strength geotextile, the lowest layer – LDPE membrane thickness from 0.2 to 0. 6 mm.

Bentonite geomat with geomembrane LDPE is used in cases when environmental protection is subject to increased requirements, as well as in the case of working with highly toxic materials.

Used for the construction of a waterproofing layer with horizontal waterproofing (including highly loaded stylobates) and anti-filtration screens. The main feature of the bentomat is that, unlike other waterproofing used on similar projects, it does not require preliminary preparation of the substrate, withstands significant loads, self-repairs with minor mechanical damages, and its laying is possible at extremely low temperatures (up to -50 degrees).

Index АС 50 АС 100 АСL 50 АСL 100
Coefficient of filtration at 200 kPa
perpendicular to the plane, m / s, not more than
in the plane direction, m / s, not more than
Degree of swelling, ml / 2g, not less than 24 24 24 24
Surface density of bentonite mat, kg / m2, ± 10 3.9 5.2 4.1 5.4
Tensile strength (along / across), kH / m, not less than 12/10 12/10 12/10 12/10
Adhesion strength, N / m, not less than 400 400 400 400
Resistance to hydrostatic pressure, atm, not less than 5 6 5 6
The thickness of the material at a load of 2 kPa, mm, ± 10% 6.0 6.4 6.2 6.6

Additional information


Construction of open-cut tunnels, Landfills, Protection against radon, Radioactive and toxic burial grounds, Reservoir, Software polygons, Tunnel construction in a closed way, Шламохранилища

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