SARV COAT 9520

 polyurethane sealer COATINGS



Description

Sarv coat 9520 is a two component, isosyanate cured aliphatic polyurethane sealer.

 

Physical Data

 

Finish............................................... Flat

Colour............................................. Non pigmented

Volume Solids............................... 40±2%

Specific Gravity............................ 1.0 ±0.02 gr/m3

Flash Point..................................... 30°C

Dry Film Thickness....................... 20-30 microns

Touch dry....................................... 5 hrs at 20°C

                                                           3hrs at 35°C

Fully cured..................................... 1  week at 20°C

                                                          5 days at 35°C

Thermal Resistance...................... 120°C

Shelf life......................................... 1 year at 25°C

Package.......................................... 4& 20 liter container

 

Application Details

Application method .................... Air/Airless spray, Brush

Nozzle orifice................................. . .017"-.019"

Nozzle pressure............................. 150 bar/2200 Psi

Mixing ratio................................... Base/Hardener 5/1 by weight

Thinner/Cleaner............................ SVT- 95

Pot life ............................................ 5 hrs at 20°C

Recoat interval min:.................... 16 hrs at 20°C

*Recoat interval max:................. none withitself

Outstanding Characteristics

  • Excellent penetration
  • High chemical & solvent resistance.
  • With the proper topcoat it withstands splash or spillage of water.

Recommended Use

For use on concrete, metal surfaces and as an intermediate coat on zinc silicates to minimize popping.

Surface Preparation

Sand blasting or wire brushing to a standard of ST2(SA 2.5, SIS 05 5900 ISO 8501-1).For concrete and previously primed surfaces with sarv coat 1983, the surface must be clean and dry. All dirt, grease, mill-scales and any other foreign material should be removed.