MasterSeal 7000 CR System for Extreme Wastewater Challenges

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MasterSeal 7000 CR is the waterproofing and concrete protection system with a unique combination of application and performance properties that meet the challenges of aggressive wastewater environments. The performance-proven MasterSeal 7000 CR system significantly extends the life cycle of concrete structures.

MasterSeal 7000 CR’s high resistance to abrasion and biogenic sulfuric acid corrosion is ideal to withstand the severe conditions that occur in pre-treatment and aeration tanks, digesters, or sewers. Its dynamic and static crack-bridging abilities protect concrete from cracks thus prolonging the structure’s life cycle.

Features:

  • Specific chemical resistance, including high concentrations of biogenic sulfuric acid.
  • Crack-bridging for gaps of up to 0.7 mm.
  • Excellent curing properties, which reduce downtime.
  • Maximum moisture tolerance, including application on humid substrate.
  • Fast and effortless application by rolling or spray at temperatures from 5°C to 35°C.

System Build-up:

  • Masterseal P 770 Primer.
  • Masterseal M 790 Red Topcoat.
  • Masterseal M 790 Grey Topcoat.
Platform Compatible Version Certified to
IFC IFC - 1 2.0
Revit Revit 2016 + 1 2.0

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Properties and values

IFC
IfcExportAs
IfcCoveringType
IfcExportType
USERDEFINED
COBie
BOS_General
NBS_Data
AdhesionToConcrete
>2.0 N/mm² on concrete, >2.5 N/mm² under MasterSeal M 790
ApplicationTemperature
+5°C to +35°C
ApplicationThickness
200Ȓ300 µm
CapillaryWaterAbsorption
0.0005 kg/m²/h 0.5 required <>
CO2Permeability
SD 206 m
ColourOptions
Olive, Grey, Red
Composition
Two component primer based on Xolutec technology
Density
1.2 g/cm³
DynamicCrackBridging
B3.1 (+23°C) , B2 (-10°C)
Elongation
0.2
FreezeThawResistance
2.7 N/mm²
FullyCured
5 days
ImpactResistance
Class III
MinimumNumberOfCoats
1
PotLife
20 minutes
ShoreHardness
Shore D 80
StaticCrackBridging
A3 (+23°C), A2 (+ 70°C dry), A2 (-10°C)
TensileStrength
>20 N/mm²
TouchDry
5 hours
WaterVapourPermeability
Class III
Pset_CoveringCommon

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