Conical support under the manhole body 370/370
composition of thermoplastic polymers
DN 370
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Supporting pad for telescopic manholes and DN 315 grates installed in bituminous pavement. Intended for square bodies of manholes with external dimensions 370 x 370 mm.
Characteristics
Material: composition of thermoplastic polymers (PVC, PE, PEX)
Compressive strength: 400 kN in accordance with PN-EN 124-1:2015-07
Impregnability: 0,02% in accordance with PN-EN ISO 62:2008
Frost resistance in water: F150 (without changing the strength and surface structure)
Frost resistance in 2% NaCl solution: F50 (without changing the strength and surface structure)
Thermal resistance: from -30°C to +60°C (in continuous operation) and up to 180°C
during installation in asphalt surface
Certyficate: IBDiM-KOT-2017/0047
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