SARV COAT 8737

Epoxy polyamide zing phosphate primer COATINGS



Description

Sarv coat 8737 is a tow component, polyamide cured epoxy primer, containing zinc phoshphate as corrosion inhibiting pigment.

 

Physical Data

 

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

Colour............................................. Yellow, Grey, Green

Volume Solids............................... 55% (ASTM-D-2697 modifid)

Specific Gravity............................ 1.33 kg/L

Flash Point..................................... 25°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 doys at 35 °C

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

Shelf life......................................... 1 year at 20°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
  • Good cutting and welding properties
  • Suitable as a first coat in various paint systems.
  • Suitable for application under humid condition.

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).