Bentonite geomat AS is a material used for the construction of large areas of the waterproofing layer, including at extremely low temperatures, unlike other waterproofing, the bentonite mat “works” only at a load of 100 kg / m2 and is not subject to mechanical damage.
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
3,0×10-11
3,0×10-11
1,5×10-11
1,5×10-11
0.0
3,0×10-11
0.0
1,5×10-11
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
4.55 $ Approximate middle wholesale price per square meter
Bentonite geomat ASL – in contrast to the standard bentonite mat AS is equipped with a fourth layer – LDPE membrane thickness from 0.2 to 0.6 mm. Used in cases with increased requirements for the environment, or for the installation of dumps of toxic and radioactive materials.
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
3,0×10-11
3,0×10-11
1,5×10-11
1,5×10-11
0.0
3,0×10-11
0.0
1,5×10-11
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
7.30 $ Approximate middle wholesale price per square meter