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Polyurethane Primer

 
TECHNICAL DATA SHEET
Product Description This is two pack polyurethane primer for metal and concrete surfaces . It is fortified with anticorrosive pigments such as red oxide, zinc chrome, zinc phosphate, etc.
Recommended Uses Ideally suitable for use in varied conditions for the protection of all types of metals.
 
PRODUCT SPECIFICATION
Mixing Ratio
Base : Hardener
4 : 1
Colour Aluminium, Red Oxide, Grey, Yellow or any other inert shades.
Finish Eggshell – Semiglossy
Pot Life 4 hrs at 30 C & 65 % Relative Humidity
Volume Solids 40 % 3
Flash point More than 24 C
Recommended DFT 30 5 microns per coat
Covering Capacity 12 to 14 sq.mtrs / ltr
(Theoretical)
Drying Time Surface dry – 15 to 20 mins at 30 C & 65 % Relative Humidity

Hard Dry – 6 - 8 hrs max at 30 C & 65 % Relative Humidity

Fully cured – 7 days
Recoating Time 6 – 8 hrs. at 30 C & 65 % Relative Humidity
Method of Application Brush / Conventional Spray / Airless Spray
Thinner recommended ‘ POLYCOR’ Thinner
Shelf life 6 months under normal storage conditions in original sealed containers.
 
Surface Preparation New Steel : Recommended for abrasive blasting to Sa 2 after degreasing and deoiling of the surface. If steel is coated by Shop Primer , clean damages to shop primer and clean the surface free from oil , grease , moisture and any other foreign matter.
Maintenance : Remove oil , grease etc with a detergent wash . Remove salts and other contaminants by high pressure fresh water hosing. Allow surface to dry before the application.
Subsequent Coat As per recommended coating system.
 
Remarks 1. Application Data
Method Pressure ( Atm) Nozzle Thinner Thinner volume
Brush - - Polycor Thinner 0 – 5 %
Conventional Spray 3– 4
Polycor Thinner 5 – 10 %
Airless Spray 4 – 5 0.018 inch to 0.025 inch Polycor Thinner 0 – 5 %
 
2. Don’t use below 10 C
3. Stir well before and while using .
4. Film thickness other than indicated also possible.
5. Mix 15 mins before use .
 
Safety Precautions :
  Provide sufficient ventilation while working with solvent based paints in confined spaces and stagnant air.
  Keep the material away from heat, spark and direct flame
  Avoid inhalation of solvent vapour or paint mist by using facial mask .Use goggles and gloves to protect against direct contact of paint with
   skin and eyes.
  In case of contamination, rinse with fresh running water and seek medical help at once.
  Follow local & national safety rules.
 
Special Comments :
  Thinner consumption and actual coverage of paint depends on the site conditions.
  Stir the paint well before painting and while painting if necessary.
  Material should be stored at 30 C temperature in dry place.
 
 
 
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