Nippon Zinc Phosphate Blast Primer
NIPPON ZINC PHOSPHATE BLAST PRIMER is a two-pack Epoxy-Amine anti-corrosive primer with non-toxic Zinc Phosphate as its pigment. It is recommended for use in combination with Nippon EA-4 Finish, Nippon EA-9 Finish and Nippon Polyurethane Finish for corrosive environment.
Physical Characteristics of Paint:
Colour: Reddish Brown
Specific Gravity: 1.33 ± 0.05 (for Mixture of Base & Hardener)
Solid Content: 46 ± 2 by volume (for Mixture of Base & Hardener)
Abrasion: Cured film is very hard, extremely abrasion resistant and can withstand considerable mechanical impact without damage.
Adhesion: Excellent. Detachment of the coating does not occur under normal condition.
Chemical Resistance: Excellent resistance to a wide range of organic and inorganic chemicals, salt solution, solvents, detergents and household cleaners.
Weathering: Not recommended for direct exposure to sunlight. It is always used as a base coat in conjunction with a Nippon Polyurethane finish coat.
Temperature: Dry service temperature range up to 100°C
- Resistant to splash, spillage and immersion in a wide range of chemicals, fresh water, etc
- Excellent mechanical film properties such as Film Hardness, Adhesion, Scratch Resistance and Abrasion Resistance
- Easy application by brush, roller and spray
Recommendation for Use:
Mild Steel Surfaces
For optimum performance, abrasive blasting in accordance to SA-2.5 Standard is desirable. It is important that the standard should be maintained until the paint is applied on. If the steel changes colour or rust bloom begins to form, it will be necessary to reblast the steel. The surface must be dry and free from any abrasive residues, dirt, oil and grease and other contaminants prior to painting.
Galvanised Steel Surface
New galvanised surface requires to be degreased in accordance to SSPC-SP1. For old galvanised surface, it must be abraded to remove corrosion deposits. Shop-prime with a suitable etching primer e.g. NIPPON VINILEX 120 ACTIVE PRIMER. All surfaces must be dry and fee from oil and grease prior to painting.
Aluminium and Stainless Steel Surface
For optimum performance, the surface must be lightly abrasive blasted. If blasting is not possible, abrade with 120 grade paper, clean and dry prior to painting. Shop-prime with a suitable etching primer e.g. NIPPON VINILEX 120 ACTIVE PRIMER. All surfaces must be dry and fee from oil and grease prior to painting.
Recommended No. of Coats: 1 - 2 coats
Recommended Film Thickness per coat:
60 microns for dry film
131 microns for wet film
Application Methods: Brush, roller, compressed air spray and airless spray
Roller & Brush: 10% maximum
Air Spray: 25% maximum
Airless Spray: 5% maximum
Mixing Ratio: 9 parts by volume of NIPPON ZINC PHOSPHATE BLAST PRIMER (BASE) to 1 part by volume of NIPPON ZINC PHOSPHATE HARDENER.
Stir the content of the BASE component, continue stirring and gradually add the total content of the HARDENER component, continue stirring until a homogeneous mix is obtained. Dilution should be done after the addition of hardener.
Pot Life at 25oC to 30oC: 8 - 10 hours after mixing, depending on prevailing temperature
Thinner: NIPPON SA 65 THINNER
Cleaning Solvent: NIPPON SA 65 THINNER
Note: All equipment should be cleaned IMMEDIATELY with Thinner after use. For thinning, substitute thinners other than those approved or supplied by Nippon Paint may adversely affect the product performance and void product warranty whether expressed or implied.
Drying Time at 25oC to 30oC:
Dry to touch: 30 minutes
Dry to handle: 4 - 5 hours
Dry to overcoat: Minimum 16 hours. Maximum 15 days. Recoating of a fully cured NIPPON ZINC PHOSPHATE BLAST PRIMER may results in poor adhesion to the previous coats and sanding is a must to avoid this.
Curing time at 25°C to 30°C: 5 - 7 days
Note: Drying time will become remarkable under low temperature. Overcoating the previous coat of NIPPON ZINC PHOSPHATE BLAST PRIMER should be done within 6 - 7 days but preferably as soon as possible after it has been allowed 16 hours drying or else, it is desirable to roughen it by dry sanding with sandpaper before it is overcoated. This is to ensure proper intercoat adhesion. Exposure of the paint film to water, chemical and abrasion should be avoided as far as possible before full cure of the coating. When chalking occurs, chalks should be removed by water washing. Allow the surface to dry thoroughly prior to overcoating.
5 Liters (4.5 Liters BASE & 0.5 Liter HARDENER)
20 Liters (18 Liters BASE & 2 Liters HARDENER)