SARV COAT 7988

chlorinated rubber synthetic primer COATINGS



Description

Sarv coat 7988 is a physically quick drying systhetic primer it consist of chlorinated rubber and plasticizer and colouring matter, together with solvents needed to give a consistency suitable for application by spray, brush or other approved method. The technical data meets BS4147 Type "B" requirements.

 

Physical Data

 

Finish............................................... Gloss

Colour............................................. Blak

Volume Solids............................... 39±2%

Specific Gravity............................ 0.95±0.02 gr/cm3

Flash Point..................................... 24°C

Recommended D.F.T................... 30-40 microns

Theoretical coverage.................... 9.6-7.5 sqm/lit.

                                                          9.47-7.1 sqm/kg

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

Touch dry....................................... 10 min at 20°C

Hard dry......................................... 120 min at 20°C

Thermal Resistance...................... Continuous  60°

                                                           Non-continuous 65 °C

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

Package.......................................... 20 liter container

 

Application Details

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

Nozzle orfice.................................. . .017"-.021"

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

Application temperature............. 10-50°c

Mixing ratio................................... single pack

Thinner/Cleaner............................ SVT -79

Pot life ............................................ N/A

Recoat interval.............................. Min 6 hrs at 20°C

                                                           Max none

Outstanding Characteristics

  • Excellent adhesion
  • Quick drying
  • High water resistance.

Recommended Use

This synthetic primer for cold and hot application is used with coating materials (usually Hot Bituminous enamel, Hot coal tar enamels and cold wrapping tape) it is quick drying and application of the subsequent coating is possible within a shor time.

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 ST2 (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)