Nippon NIOZ

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NIPPON NIOZ is a two-pack solvent based coating based on Ethyl Silicate and Zinc Dust. It is suitable for use on steel as a shop primer, as a primer for high performance system and as a single treatment coating for a variety of marine environment. It prevents corrosion and provides excellent resistance to weathering, abrasion, impact, heat and many solvents.
Primer/topcoat systems based on NIPPON NIOZ and specified topcoats are suitable for severe corrosive services such as offshore platforms, petrochemical complexes, gas and petroleum refineries, pulp and paper mills and corrosive chemical plants.

Physical Characteristics of Paint: 
Colour: Grey
Finish: Matt
Specific Gravity:     2.06 + 0.05 (for mixture of Binder & Zinc Dust)
Solid Content:    47 + 2% by Volume (for mixture of Binder & Zinc Dust)
Abrasion:    Good resistance to abrasion and mechanical damage
Adhesion: Excellent on correctly prepared surfaces
Temperature:Dry service temperature range up to 400°C

Recommendation for Use: 
Surface Preparation

Steel Surfaces
The surface to be painted should be abrasive blasted to minimum SA-2.5 Swedish Standard. For optimum performance, abrasive blasting in accordance to SA-3.0 (SIS 05 59 00 / ISO 8501-1) is desirable. It is important that the standard should be maintained until the paint is applied on. If rust bloom begins to form before the steel surface is coated, 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.

Recommended No. of Coats: 1 coat

Recommended Film Thickness per coat: 
a) As a shop Primer
25 microns for dry film
53 microns for wet film
b) As a general purpose Primer
50 microns for dry film
107 microns for wet film
c) For use uncoated
75 microns for dry film
160 microns for wet film

Theoretical Coverage at Recommended Film Thickeness:    
18.7 m2 / liter (for dry film thickness of 25 microns)
9.4 m2 / liter (for dry film thickness of 50 microns)
6.2 m2 / liter (for dry film thickness of 75 microns)

Practical Coverage (20% Loss Factor):    
15.0 m2 / liter (for dry film thickness of 25 microns)
7.5 m2 / liter (for dry film thickness of 50 microns)
5.0 m2 / liter (for dry film thickness of 75 microns)

Note : This theoretical coverage rate has been calculated from the volume solid of the material and is related to the amount of coating applied onto a perfectly smooth surface without wastage. For a practical coverage rate, due allowance should be made for atmospheric conditions, surface roughness, geometry of the article being coated, the skill of applicator, method of application etc. when estimating quantities required for a particular job.
Application Data: 

Application Methods: Preferably compressed air spray. For touching up small areas brush can be used.

Roller & Brush: 10% maximum    
Compressed Air Spray: 25% maximum    

Mixing Ratio: 1 part by weight of Binder (NIOZ PRIMER (PACK A)) to 1.43 parts by weight of Zinc dust (NIOZ PRIMER (PACK B)). Dilution should be done after the addition of hardener.
Pot Life at 25oC to 30oC: 6 hours


Cleaning Solvent: NIPPON ZS 100 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: Approximately 5 minutes
Dry to handle: Approximately 2 hours
Dry to overcoat: Self re-coating - 3 hours
Overcoating with organic coating - minimum 16 hours
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 NIOZ 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.

Standard Packing: