SARV COAT 8738

Epoxy polyamide zinc chromate primer COATINGS



Description

Sarv coat 8738 is a two component polyamide cured  epoxy primer containing zinc chromate as corrosion inhibiting pigment .

 

Physical Data

 

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

Colour............................................. light yellow, green

Volume Solids............................... 53%

Specific Gravity............................ 1.3±0.05 gr/cm3

Flash Point..................................... 26°C

Recommended D.F.T................... 40-60 microns

Theoretical coverage.................... 13.3-8.8 sqm/lit.

                                                          10.2-6.8 sqm/kg

Practical Coverage....................... Depends on loss factor

Touch dry....................................... 3 hrs at 20°C

                                                          2 hrs at 35°C

Fully cured..................................... seven days at 20°C

                                                          6 days at 35°C

Thermal Resistance...................... 140 °C

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

Package.......................................... 5 & 20 liter container

 

Application Details

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

Nozzle orifice................................. . .021"

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

Mixing ratio................................... Base/Hardener 4/1 by weight

Thinner/Cleaner............................ SVT- 87

Pot life ............................................ 8 hrs at 20°C

Recoat interval min:.................... 24 hrs at 20°C

Recoat interval max:................... 14 days at 20 °C

Outstanding Characteristics

  • Suitable for application on blasted steel.
  • Good cutting and welding properties
  • Suitable as a first coat in various paint systems.
  • Suitable for use in industrial & marine environment

Recommended Use

As a general purpose rust preventing primer for epoxy and  urethane systems on steel and other metal surfaces.

Surface Preparation

Remove oil and grease, etc. with suitable detergent. Remove salt and other contaminants by (high pressure) fresh water cleaning. Clean damaged area thoroughly by power tool cleaning to ST3 (minor areas)

Or by abrasive blasting to minimum SA2, Preferably to Sa2½ (for repair and maintenance) Abrasive blasting to Sa 2½SSPC-10 (for new steel).