Zinc Rich Primer Thermosetting Powder Coating

PC-13701 is a Zinc Epoxy based Thermosetting powder coating designed to enhance the corrosion resistance of steel items it has been designed as a base coat for powder top coats. Zinc primer has a multitude of usages over metallic objects. If chemical treatment is difficult a zinc base powder primer provides the solution on shot blasted steel. The coating demonstrates excellent weather and corrosion resistance making it ideal choice for outdoor metal components, Cylinders & Tanks, Fuel Tanks, Implements & Valves which weather rugged in-service life.

Physical Properties of Formulation

Powder Properties Sample Values
Gel Time @2000C 165 sec
Particle Size Distribution < 32 μm 32.00%
Particle Size Distribution < 63 μm 94.20%
Particle Size Distribution < 80 μm 99.80%
Particle Size Distribution < 100 μm 100%
Storage Stability @250C 6 Months
Test Panels
a) Degreased, derusted, phosphated, passivated 110 X 64mm, 0.5mm thick M.S. Sheet.
b) Degreased, chromated, passivated 110 X 64 mm, 0.6 mm thick, Aluminum Sheet.

Powder Application

Powder Properties Sample Values
Gun Voltage 50-70 KV
Curing Temprature 200o C (Metal Temperature)
Curing Time 12 Mins
Recommended Film Thickness 50-70 μm

Coating Performance Properties

Cured Film Properties Method Standard Observation
Finish ASTM-D-1729 Dead Matte Finish Dead Matte Finish
Gloss @60o Head ASTM-D-523 0-5% 3-5%
Cross Hatch Test* ASTM-D-3359 GT-0 GT-0
Salt Spray Resistance ASTM-B-117 1000 Hrs. Passes
Humidity Resistance DIN-50017 1000 Hrs. Passes
Impact Forward Kg. cm. ASTM-D-2794-69 150 min. Passes
Impact Reverse Kg. cm. ASTM-D-2794-69 150 min. Passes
Conical Mandrel ASTM-D-522 6 min. Passes
*- GT-0 ~ Excellent / GT-10 ~ Bad