Urethan 85 SF Technisches Datenblattcnco_de_tds_urethan_85_sf.pdf
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Description
WEICON Urethane 85 SF is a special, pasty polyurethane for coating and repairing rubber surfaces. For example, conveyor belts in industrial plants, in open-cast mining or in mines can be repaired with the polyurethane. Urethane 85 SF has very high wear resistance. It is free of solvents and is processed at room temperature. Before application, the surface to be treated must be roughened considerably and then wetted with a special 2-component primer (rubber primer), otherwise no adhesion to the surface will be generated. The pot life is two to three minutes. No additional heating is necessary for curing. Surfaces coated with Urethane 85 SF are capable of bearing loads after one hour. Full curing is completed after three hours. A special primer is available for the coating of metal surfaces.
Attributes
Base
Polyurea
Colour
black
Component temperature
>3 °C above dew point
Consistency
pasty
Construction material class|DIN 4102
B2
Consumption|layer thickness 1.0 mm
1,1 kg/m²
Density of the mixture
1,1 g/cm³
Elongation at break (tensile)|DIN EN ISO 527-2
590 %
End hardness|(100 % of strength)
3 Hours
Hardness (Shore A)|DIN ISO 7619
approx. 85±3
Mechanically loadable after|20 °C
1 Hours
Mixing ratio by weight
1:10
Processing temperature
+15 °C to +40 °C °C
Relative humidity
max. 85 %
Sales bundle
Cartridge
Tear resistance | DIN 53515 / ASTM D 1002
31 kN/m
Temperature resistance dry
-60 °C - +100 °C (-76 - +212 °F)
Temperature resistance wet
-60 °C - +80 °C (-76 - +176°F)
Tensile strength|DIN EN ISO 527-2
8.4 N/mm²
Topfzeit|bei 20 °C
3 Min.
Viscosity hardener|at +25 °C
13000 mPa·s
Viscosity of the mixture|at +25 °C
4.500 mPa·s
Viscosity resin|at +25 °C
600 mPa·s