A two pack polyamide cured epoxy based, high build primer designed as a system primer for various paint systems. It can also be used as finish paint for structural steel and anti-chemicals flooring.

Primer system- primabuild-md 

Properties and Areas of Use

– Tough hard wearing film
– Good chemical resistance
– Excellent water resistance
– Used with low slip additive for floors and decks

Primer system- primabuild-md  Technical Coating Data @ 25 °C for mixed material

Finish                                                                                            Egg-shell

Color Range                                                                                Grey, White or Red

Solids Volume                                                                            73 ± 2%

Dry Film Thickness Range                                                     100-500 µm

Theoretical Spreading Rate                                                   4.87 m² / L @ 150 microns DFT  (loss factors will apply in practice)
Surface Dry                                                                                  2 hours

Recoat Interval                                                                           8 hours minimum    –   7 days maximum
Complete Cure                                                                            7 days
Pot Life                                                                                          4 hours
Flash Point                                                                                   27°C
Shelf Life                                                                                       24 months (stored in a cool dry place)
Mixing Ratio by Weight                                                           10 Base component –  1 Activator Component

VOC                                                                                                 251 g/L

Film Thickness and Spreading Rate:                 

                                                                                                 Minimum                         Maximum                           Typical
Film thickness, dry (µm)                                                             100                                     500                                       150
Film Thickness, wet(µm)                                                            137                                      685                                        206
Theoretical Spreading Rate (m2/L)                                         7.3                                    1.45                                        4.87

Suitable Surfaces

 Steel and non ferrous metals properly prepared and blast cleaned to ISO-Sa2½
 Concrete free of contamination, dust and efflorescence, and properly prepared

Bare Steel:

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

Shopprimed Steel:

Clean, dry and undamaged approved shopprimer

Coated Surfaces:

Clean, dry and undamaged compatible primer .

Other Surfaces:

For aluminium substrates , thorough washing and sweeping with a nonmetallic blast medium is required.

primabuild-md Application Conditions: system primer

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 two components have been thoroughly mixed.

Brush and Roller

Thin if required with 0-5% Paint Thinner Colorama TH907EP.

Conventional Air Spraying

Thin with 5-25% Paint Thinner Colorama TH907EP, as required.
Tip size – 2.0 mm
Tip pressure – 60 psi (0.4Mpa) approximately

Airless Spraying

– Thin with 0-20% Paint Thinner Colorama TH907EP, as required
– Tip size – 0.58-.79 mm approximately
–  Tip pressure – 2100 psi (15Mpa) approximately

Cleaning Thinner

Equipment should be cleaned immediately after use with Paint Thinner Colorama TH907EP.

Drying time: system primer

Drying times are affected by air ventilation, temperature, film thickness and number of coats.

Substrate Temp.                                               10° C                                 25° C                             40° C
Surface Dry                                                           8                                        4                                      2
Through Dry                                                         16                                      8                                      6
Dry to recoat, minimum                                    24                                     12                                     8
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:

PRIMAPOX – GYM                                                 1 x 50 µ
PRIMABUILD – MD                                                1 x 150 µ
URELUX                                                                     1 x 50 µ


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


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


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