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BentIzol® GM smooth geomembrane — polyethylene anti-seepage membrane
BentIzol

BentIzol® GM smooth geomembrane — polyethylene anti-seepage membrane

Roll materials and membranes

The smooth BentIzol® GM is made of virgin high-density polyethylene (HDPE) or linear low-density polyethylene (LLDPE) and corresponds to a type 1 geomembrane. The material is resistant to acids, alkalis, petroleum products and oils in the pH 0.5–14 range, to ultraviolet radiation and to repeated freezing and thawing, is flexible at −60 °C, and the HDPE membrane has an elongation at break of at least 700 %. Sheets 5–6 m wide in rolls of 50 or 100 m are used at MSW landfills, tailings storage facilities, in canals, reservoirs and dams.

Specifications

ManufacturerBentIzol — OOO “BentIzol”, Vvedenskoye
Typeroll materials and membranes
Usehydraulic structures and dams, tanks and pools
Basesmooth geomembrane of virgin high-density polyethylene (HDPE) or linear low-density polyethylene (LLDPE)
Packagingrolls 50 or 100 m long, 5–6 m wide; roll weight from 118 to 855 kg (across all GM types)
Key propertiesHDPE: density 0.940 g/cm³; nominal thickness 0.75 / 1.0 / 1.5 / 2.0 / 2.5 / 3.0 mm; tensile strength at break at least 20 / 27 / 40 / 53 / 67 / 80 kN/m; elongation at break at least 700 %; yield strength at least 11 / 15 / 22 / 29 / 37 / 44 kN/m at an elongation of at least 12 %; puncture resistance at least 240 / 320 / 480 / 640 / 800 / 960 N; tear resistance at least 93 / 125 / 187 / 249 / 311 / 374 N; strength loss after 30 freeze–thaw cycles no more than 10 %, after 90 days of ageing at 85 °C no more than 45 %, after 400 h of UV no more than 15 %; flexibility on an R5 mandrel at −60 °C without cracks; chemical resistance pH 0.5–14 (acids, alkalis, petroleum products, oils); UV resistance; from −60 to +60 °C, repeated freezing and thawing; service life at least 50 years
Layer thickness0.75–3.0 mm
StandardsSTO 87299967.005-2021; complies with GOST R 56586-2015; certificates of conformity under GOST R and under the STO

Data from the manufacturer’s technical data sheet. The coating system, number of coats and quantity are selected for your project on request.

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