Excellent Hardness Qualicoat Certified Powder Coating for Aluminum Ceilings
Super Weather Resistance Powder Coating
INTRODUCTION
Super Weather Resistancepowder coating is a thermoseting powder coating based on polyester resins specially selected for exterior use. It is formulated to give properties of good flow-out and satin or glossy finish. Its outstanding resistance to ultra-violet light and atmospheric aging make it highly decorative and durable in outdoor environment,It is provide with superior outdoor weather capabilities and outstanding chemical resistance, excellent hardness.
High temperatures up to 70 ºC
Low customer temperatures in (Canada, Alaska) -50º to -60º degrees Celsius
Excellent corrosion protection and chemical resistant
GLOSS AND COLOR RANGE
Gloss levels range from 70%- 90%
A wide range colors are available ,certain color is subject to the technical approval .
APPLICATION SCHEDULE
Applied by electrostatic spraying gun that can provide negative tension of 60-80 kV.
Curing schedule :10~ 15 minutes at 200ºC (metal temperature )
Optimal film thickness : 70 - 90 um
POWDERPROPERTIES
Specific gravity : 1.25 - 1.75 (depend on colors)
Particle size distribution(Laser Particle size analyser) :Less than 4% above 100 um 50 - 60% above 32 um :
Average particle size: 35- 45um
COATING PROPERTIES
The following are typical properties determined on 0.8 mm gauge degreased galvanised steel
Film thickness (ISO 2178) : 70 - 90 µm
Flow out :Good
Gloss (ISO 2813, 60º) : 70 % ~ 90%
Adhesion (ISO 2409) : GT= 0
Pencil hardness(ASTM D3363 ) : 2H - 3H
Direct and reverse impact(ASTM D2794) : 100-120kg.cm
Salt spray Resistance ( ASTM B117, 1000hrs) (Maximum undercutting ,1 mm ):No blistering
Humidity Resistance (ASTM D2247,1000 hrs): No blistering or loss of adhesion
Chemical Resistance :Film unchanged
(96 hours contact with the coating at ambienttemperature)
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