SARV COAT 8729

Epoxy polyamide sealer COATINGS



Description

Sarv coat 8729 is a two component polyamide cured, epoxy sealer. It is possible to formulate with MIO and without MIO.

 

Physical Data

 

Finish............................................... Semi flat

Colour............................................. Red oxide

Volume Solids............................... 57±2%

Specific Gravity............................ 1.4 ±0.05 gr/m3

Flash Point..................................... 27°C

Dry Film Thickness....................... 40-60 microns

Touch dry....................................... 2 hrs at 20°C

Hard dry(fully cured)................... 1 week at 20°C

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

Theoretical coverage.................... 14.25-9.5 sqm/lit

                                                          10.17-6.78 sqm/kg

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

Shelf life......................................... 12 months at 25°C

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

 

Application Details

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

Nozzle orifice................................. .019”-.021”

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

Application temperature............. 10-50°C

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

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

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

Recoat interval:............................ min 6 hrs

                                                           max none

                                                       

Outstanding Characteristics

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

Recommended Use

As sealer coat on metal surfaces and as an intermediate coat on zinc silicates to minimize popping.

Surface Preparation

Remove oil and grease, etc. with suitable detergent. Remove salt and other contaminants by (high pressure) fresh water cleaning. Clean damage 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 Sa2½SSPC-10 (for new steel)