PPG Duraform® HV Coil Coatings
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Description
Duraform Polyester Coatings: a one- or two-coat system for aluminum and steel substrates applied with a roll coating application for the heating and ventilation and energy application segment.
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Chemistry
Polyester
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Benefits
- Good corrosion resistance
- Hardness and fabrication capability
- Scratch and mar resistance
- Good UV durability
- Wide color palette and gloss range
- Textured surface options
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Suggested End Uses
- Exterior air conditioning units
- Interior heating units
- Electrical enclosures
- Battery storage enclosures
Product Characteristics
1 Coated Steel includes the following types of steel: G90 hot dip galvanized, Galvalume®, and Zincalume®. 2 Fracturing or rupturing of substrate will rupture coatings. Heavy gauge and clad steel substrates impose limitations on formability. 3 Corrosion performance is dependent on properly cleaned and pretreated substrate These test results are based on methods believed to be correct and were performed on laboratory prepared panels. This document is not a guarantee of future performance
| Product Characteristic | Test Standard | Aluminum substrate | Coated steel substrate1 |
|---|---|---|---|
| Dry Film Thickness (Nominal) | ASTM D1005 | 0.15-0.45 mil primer (optional); 0.70-0.80 mil topcoat | 0.15-0.45 mil primer (required); 0.70-0.80 mil topcoat |
| Color | Full range solid colors | Full range solid colors | |
| Gloss | ASTM D523 @ 60° | 5-80+ | 5-80+ |
Technical Properties
1 Coated Steel includes the following types of steel: G90 hot dip galvanized, Galvalume®, and Zincalume®. 2 Fracturing or rupturing of substrate will rupture coatings. Heavy gauge and clad steel substrates impose limitations on formability. 3 Corrosion performance is dependent on properly cleaned and pretreated substrate These test results are based on methods believed to be correct and were performed on laboratory prepared panels. This document is not a guarantee of future performance
| Property | Test Standard | Aluminum substrate | Coated steel substrate1 |
|---|---|---|---|
| Pencil Hardness | ASTM D3363 | F min | F min |
| Flexibility (T-Bend)2 | ASTM D4145 | 0T-2T-bend, no pick-off | 1T-2T-bend, no pick-off |
| Adhesion | ASTM D3359 | No adhesion loss | No adhesion loss |
| Conical Mandrel (1/8”) | ASTM D522 | Pass, no cracking | Pass, no cracking |
| Reverse Impact | ASTM D2794 | 1.5 x metal thickness, no pick-off | 3.0 x metal thickness, no pick-off |
| Solvent Resistance | ASTM D5402 (MEK) | 100+MEK double rubs | 100+MEK double rubs |
| Salt Spray Resistance3 | ASTM B117: 5% salt fog @ 95°F / 35°C | Passes 1,000 hrs. 1 coat: No face blisters; none up to few #6 edge and scribe blisters, 2 coats: No face or edge blistering; max 1/16’’ avg scribe creep | Passes 1,000 hrs. 2 coats: None up to few #8 face blisters; max 1/8’’ avg. edge and scribe creep |
| Humidity Resistance | ASTM D714, ASTM D2247: 100% relative humidity @ 95°F / 35°C | Passes 1,000 hrs. 1coat: No activity; up to #8 face blisters, 2 coats: No corrosion activity | Passes 1,000 hrs. 2 coats: No corrosion activity, up to few #10 face blisters |
| Exterior Exposure3 | ASTM D2244, ASTM D4214 (5 Years @ 90° South Florida) | No objectionable color change, ΔE < 5.0 No face corrosion@ 45 ̊ | No objectionable color change, ΔE < 5.0 No face corrosion@ 45 ̊ |