BASF - MasterSeal M 808

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MasterSeal M 808 is a multi-purpose waterproofing membrane for water management industry both for areas with high chemical and mechanical demands (inflow) and for areas where potable water is stored (disinfection and outflow). Additionally, it is used in industrial process areas where concrete or steel structures are affected by water containing dissolved aggressive chemicals.

MasterSeal M 808 is a two component polyurethane membrane that offers, at the same time, high elasticity to bridge cracks in the substrate and high chemical resistance.

You can apply MasterSeal M 808 both on concrete and on metallic substrates. Its long pot life allows the application either by roller of by air-less spraying. Using MasterSeal M 808 you can benefit from the long term durability due to its high chemical resistance, the low permeability to water and the high elastic properties that ensure the continuity of the membrane even in case of moving substrates with opening cracks.

Platform Compatible Version Certified to
IFC IFC 2X3 1 1.3
Revit Revit 2015 + 1 1.3

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Properties and values

IFC
IfcExportAs
IfcCoveringType
IfcExportType
UNDEFINED
COBie
NBS_General
NBS_Data
AdhesionToConcrete
2.9 N/mm²
ApplicationTemperature
+5°C nor above +35°C
ApplicationThickness
0.4 ȓ 0.8 kg/m² in two coats
CapillaryWaterAbsorption
0.001 kg/m²/h0.5 required <>
CathodicDisbondment
3.8 mm
ChemicalResistance
see data sheet for details
CO2Permeability
SD 74 m
Composition
Two component polyurethane membrane for use in contact with Potable water and chemically aggressive environments
DeclarationOfPerformance
https:/​/​assets.master-builders-solutions.basf.com/​Shared%20Documents/​PDF/​English%20(United%20Kingdom)/DOP_MasterSeal_M_808_ENG.pdf
Density
1.2 g/cm³
DielectricBreakdownVoltage
251.1 V/mil
Elongation
0.6
FreezeThawResistance
2.6 N/mm²
FullyCured
7 days
GelTimeSprayed
n/a
HealthAndSafety
https:/​/​www.master-builders-solutions.basf.co.uk/​en-gb/​products/​masterseal/​495
ImpactResistance
20 Nm
MandrelBendTest
pass
MinimumNumberOfCoats
2 to 3
PotLife
20 minutes
SaltSprayTest
Pass
ShoreHardness
Shore D 70
StaticCrackBridging
A4 (+23oC), A3 (-10oC),A2 (-20oC)
TearStrength
n/a
TensileStrength
>20 N/mm²
TouchDry
6 hours
WaterVapourPermeability
Class II
Pset_CoveringCommon

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