A high quality alkyd based marine primer, with excellent surface adhesion on steel, containing high
quality zinc phosphate and red iron oxide anticorrosive pigment


MARINE PRIMER  Properties and Areas of Use:

  • Tough hard wearing film.
  • Low odor and excellent application properties.
  • Excellent corrosion resistance.
  • Excellent flow and opacity.
  • Used as a primer on steel in an anticorrosion alkyd system.
  • Used also as an anticorrosive primer on galvanized steel and aluminum over a suitable washing primer.

MARINE PRIMER Technical Coating Data @ 25 °C
Finish:                                                                                                      Flat
Color Range:                                                                                           Grey or Red
Solids Volume:                                                                                       55 ± 2%
Dry Film Thickness Range:                                                                 25-100 µm

Theoretical Spreading Rate:                                                              11 m² / L @ 50 microns DFT (loss factors will apply in practice)
Surface Dry:                                                                                           2 h

Recoat Interval:                                                                                    16 hours minimum maximum, several months

(after proper surface cleaning and preparation)

Flash Point:                                                                                            38°C
Shelf Life:                                                                                               12 months (stored in a cool dry place)
VOC:                                                                                                        290 g/L
Mixing Ratio:                                                                                         Single Pack

Film Thickness and Spreading Rate :

Minimum                                   Maximum                                              Typical
Film thickness, dry (µm):                         25                                                      100                                                          50
Film Thickness, wet(µm):                        45                                                       182                                                           91
Theoretical Spreading Rate (m2/L):     22                                                         5.5                                                          11

Suitable Surfaces :

  • Steel and non-ferrous metals properly blast cleaned to SIS-Sa 2 1/2 minimum
  • Substrates must be free of contamination, dust, and efflorescence
  • Previously gloss painted surfaces should be thoroughly abraded or sand blasted
    before application.

Bare Steel :

Cleanliness: Blast – cleaning to Sa2 1/2 (ISO-8501-1:2007). Power tool cleaning to min. St2 (ISO8501-1:2007) may be acceptable, subject to exposure conditions.

Shop primed Steel :

Clean, dry and undamaged approved shop primer.

Coated Surfaces :

Clean, dry and undamaged compatible primer. For aluminum substrates, thorough washing and sweeping with a nonmetallic blast medium is required.

Application Conditions :

Substrate temperature should be 10°C or above for application and during cure, and a minimum of 3°C above the dew point. Adequate dry air ventilation is recommended for optimum drying.

Application Information :

Thinning should only take place after the material has been thoroughly mixed.

Brush and Roller :

Thin if required with 0-5% COLORAMA Thinner 906 or 921.

Conventional Air Spraying :

  • Thin with 5-15% COLORAMA Thinner 906 or 921, as required.
  • Tip size – 2.0 mm.
  • Tip pressure – 60 psi (0. 4Mpa) approximately.

Airless Spraying :

  • Thin with 5-15% COLORAMA Thinner 906 or 921, as required.
  • Tip size – 2.0 mm.
  • Tip pressure – 60 psi (0. 4Mpa) approximately.

Airless Spraying :

  • Thin with 0-10% COLORAMA Thinner 906 or 921, as required.
  • Tip size – 13 thou (0.33mm) approximately.
  • Tip pressure – 1700 psi (12Mpa) approximately.

Cleaning Thinner :

Equipment should be cleaned immediately after use with COLORAMA Thinner 906 or 921.

Drying time :

Drying times are affected by air ventilation, temperature, film thickness and number of coats.
Substrate Temp.                                              10° C                      25° C                            40° C
Surface Dry:                                                       3 h                           2 h                                1 h
Through Dry:                                                     16 h                         6 h                                3 h
Dry to recoat, minimum:                                 24 h                        16 h                              10 h
The given data serve as guideline only. The actual drying time differs according to film thickness, ventilation, humidity and underlying paint system.

Typical paint system :

  • Marine Primer 2 x 50 µ.
  • Marine Enamel 2 x 50 µ.

Storage :

Keep the containers in a dry, cool, well ventilated space and away from source of heat and ignition. Containers must be kept tightly closed.

Handling :

Handle with care. Stir well before use.

Packing Size :                                         5 L & 18 L.

Summary Safety Information :

  • Avoid inhalation of spray mist and skin contact by the use of masks, gloves and
    other personal protection. Eyes should be cautiously washed with water or
    proprietary wash, and medical attention obtained. Skin should be thoroughly
    washed using a cleanser and soap and water.
  • Product is flammable
  • No sparks or flames
  • No smoking


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