PPG Duranar® Cool®
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Description
ULTRA-Cool and VARI-Cool are premium infrared (IR) multi-coat systems
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Chemistry
Fluoropolymer (70% PVDF)
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Benefits
- Premium infrared (IR) reflectivity
- Cooler interior spaces
- Reduced material expansion and contraction
- Premium color pigmentation allows dark, bright colors and color changing
- Excellent color stability and gloss retention
- Exceptional abrasion and chemical resistance
- Meets sustainability standards
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Suggested End Uses
- Roof and exterior wall panels
- Composites
- Accent trims
- Corporate signage
Product Characteristics
| Aluminum substrate | Coated steel substrate | |
|---|---|---|
| Gloss @ 60° (ASTM D523) | 25 - 35 | 25 - 35 |
Technical Properties
| Property | Standard | Results: Aluminum substrate | Results: Coated steel substrate |
|---|---|---|---|
| Dry Film Thickness | ASTM D1005 | Duranar ULTRA-Cool: 0.15-0.30 mil primer / 0.70-0.90 mil topcoat ; Duranar VARI-Cool: 0.20 mil primer / 0.70-0.80 mil topcoat | |
| Gloss | ASTM D523 @ 60˚ | 25 - 35 | 25 - 35 |
| Pencil Hardness | ASTM D3363 | F min - 2H | F min - 2H |
| Adhesion | ASTM D3359 | No adhesion loss | No adhesion loss |
| Abrasion Resistance (Falling Sand) | ASTM D968 | 65-85 l/mil | 65-85 l/mil |
| Salt Spray Resistance | ASTM B117: 5% salt fog @ 95°F / 35°C | No face blistering;Max. average 1/16” scribe creep Passes 4,000 hrs. | No face blistering;Max. average 1/16” scribe creep Passes 1,000 hrs. |
| Humidity Resistance | ASTM D714, ASTM D2247: 100% relative humidity @ 95°F / 35°C | Passes 4,000 hrs; None or few #8 blisters | Passes 1,500 hrs; None or few #8 blisters |
| Exterior Exposure (5 Years @ 45° South Florida) | ASTM D2244, ASTM D4214: 10 yrs. @ 45˚, South Florida | Max. 5 fade; Max. 8 chalk | Max. 5 fade; Max. 8 chalk |
| Acid Resistance | ASTM D1308: 10% muriatic acid – 24 hours; 20% sulfuric acid – 18 hours | No effect | No effect |
| Alkali Resistance | ASTM D1308: 10%, 20% NaOH, 1 hour | No effect | No effect |
| Detergent Resistance | ASTM D2248: 3% detergent @ 100°F / 38°C – 72 hrs. | No effect | No effect |
| Solar Reflectance (Steep slope/Low slope) | ASTM E903 | > 25% initial; >15% after 3 years - > 65% initial; >50% after 3 years | > 25% initial; >15% after 3 years - > 65% initial; >50% after 3 years |
| Emissivity | ASTM C1371, ASTM E408 | 0.80 (80%) minutes | 0.80 (80%) minutes |
| Flexibility (T-Bend)2 | ASTM D4145 | 2 T-bend, no pick-off | 2 T-bend, no pick-off |
| Mortar Resistance | ASTM C267 | No effect | No effect |
| Acid Rain Test | Kesternich SO2, DIN 50018 | 15 cycles minimum; No objectionable changes | 15 cycles minimum; No objectionable changes |