Use Cromadex 306 Quick Air Dry High Build Primer for a fast production turnaround time, with its quick drying and rapid handling properties, designed for use on blasted and non-blasted steel.
Suitable for spraying, use the primer in mild-to-moderate corrosive environments typically found in commercial buildings, schools, hospitals, etc, with thinning not normally required depending on the application equipment used.
Suitable Substrates and Preparation
All surfaces should be clean, dry and free form surface contamination.
Steel - Degrease with Cromadex 678 Spirit Wipe. Blast clean to remove millscale, minimum surface preparation SA2.
Thinning Ratio - Not normally required, dependent on application equipment. 85-72 thinner up to a maximum of 20%
Approved Thickness - 50 – 85 microns DFT 120 – 200 microns WFT
Brush/Roller - Suitable for small areas & touch-up only
|Spray Gun||Fluid tip size||Working pressure|
|Pressure Pot HVLP||1.0 – 1.6 mm||0.6 bar (max)|
|Airless||11 -13 thou||2500 psi|
|Air Assisted Airless||11 -13 thou||2000 psi (10 – 20 psi air assist)|
Drying and Overcoating
|Substrate Temperature||Drying Time (Touch)||Drying Time (Through)||Overcoating Time (Min.)||Overcoating Time (Max)|
|15°C||30 mins||2.5 hours||10 hours||Indefinite|
|25°C||20 mins||1.5 hours||4 hours||Indefinite|
|40°C||10 mins||1 hours||1 hour||Indefinite|
9 m²/l @ 50 microns assuming 100% transfer efficiency
|306 Primer||486 g/l||1.30|
|85-72 Thinner||867 g/l||0.87|
- Water / Solvent Based
- For Use On
- Application Method
- Pressure Pot, Airless Spray, Air Assisted Airless, brush, roller
- Standard / Ready Mixed
- Single, Two or Three Pack
- Pack Size
- 5L, 20L
- Brush, Roller, Spray
- Touch Dry
- 30 mins
- UN Number
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