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Product File

APIGANIC HB ZINC SILICATE PRIMER

GENERAL DESCRIPTION

A two component inorganic zinc ethyl-silicate primer and protects the metal surface electrochemically in corrosive atmosphere.

RECOMMENDED USE

Structural steel, pipelines, interior and exterior of storage tanks, offshore platforms, power plants etc and it must be top coated with paint such as chlorinated Rubber, Vinyl & Epoxy and Polyurethane paints.

PRODUCT SPECIFICATION
Colour Grey
Finish Matt
Mixing Ratio Medium - 1 ltr
Zinc Dust - 1.825 kgs
Pot Life 4 hrs
Flash Point 15º C
Solids by Volume 62%
Recommended Dry Film Thickness 75 Microns
Theoretical Spreading Rate 8.2 Sq.m/ltr
Drying Time- Touch Dry 30 Hrs
Hard Dry 24 Hrs
Recoating Interval (Min.) 24 Hrs
Recoating Interval (Max.) None
Method of Application Regular spray / Airless spray
Thinner Recommended Apiganic Zinc Silicate Thinner 400
Shelf Life 6 Months
SURFACE PREPARATION

Blast clean to Sa 2½ grade. OR full use of mechanical tools along with manual cleaning and wire brushing to remove oil and grease with suitable detergent solution and allow it to dry.

SUBSEQUENT COAT

As per recommended coating system

REMARKS

1. Apply when humidity is above 50% & temperature in between 0 to 40º C.
2. Do not exceed dry film thickness 75 microns to avoid "mud cracking"
3. Store in a cool place. Storage life will be reduced above 30oC
4. The paint is supplied in two containers BASE& CA. BASE is the binder and CA is Zinc powder. Mix BASE undermechanical stirrer slowly and add Zinc Powder slowly to form a homogeneous mixture. Filter through a 80/100 mesh sieve before application.
5. Stir well continuously at the time of painting.

SAFETY PRECAUTIONS

1. Keep the material away from heat, spark, and direct flame.
2. In case of contamination, rinse with fresh running water and seek medical help at once.
3. Provide sufficient ventilation when working with solvent based coatings in confined spaces and stagnant air.
4. Follow local and national Safety rules.

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