Purethane® AR
Solvent Borne, Modified  Polyurethane Primer
 
GENERIC TYPE :  Two Component Polyurethane
USAGE :  Steel Substrates
COMPOSITION:
Resin Activator 

Modified Polyol ,Color Pigments, Aromatic Solvents, Additives

Modified Polymeric Di-Isocyanate
SPECIFICATION :
Mixing Ratio : Resin  / Activator = 4 : 1 ( Weight )
Thinning Ratio : 0- 20% with xylene if required.
Colour : Resin : Reddish Brown ,  Activator : Brown
S.G at  20oC 1.1 ( Resin 1.07, Activator 1.24 )
Viscosity at  20oC Resin 700 mPa, Activator 300 mPa
Pot Life at  20oC 2-3  Hours
Touch Dry at  20oC 1-2  Hour
APPLICATION STANDARD :
Surface Preparation :

Abrasive blast to near white in accordance with SSPC-SP10 using granulated copper slag or similar abrasive to obtain an anchor pattern of  75- 100  microns.

Conditions :
Temperature 5 - 45oC
Humidity   Under 90% R.H
Surface Temperature 3oC higher than dew point
Application Method : Air Spray, Airless Spray (One Component) , Brushing
Film Thickness : 20 - 40 Microns DFT
Theoretical Coverage : 54 gms. / Sq. Metre
Overcoat Interval : Below 10oC      -     Upto 72  Hours
 

Below 25oC      -     Upto 48  Hours

Below 35oC      -     Upto 24  Hours
Below 45oC      -     Upto 12  Hours
PRECAUTIONS :
Use in conditions of adequate ventilation. Keep away from heat and open flame