PPG Spectracron® 591
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Description
This versatile solvent-based primer is found across a variety of industries and end uses, lowering costs and rework whilst increasing throughput and decreasing process cost.
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Chemistry
2K Epoxy
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Benefits
- Excellent adhesion over steel even when cleaning methods are inconsistent
- Wet on wet capable
- Excellent flexibility
- Excellent chemical resistance
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Suggested End Uses
- Agricultural Equipment
- Heavy Duty Equipment
- Industrial Equipment
- Transportation
Product Characteristics*
*Excess film thickness will retard dry times and affect the recoat window. Do not apply at temperatures below 50°F(10°C). For specific product VOC information refer to the environmental data sheet (EDS).
| Color | Gray |
| Gloss @ 60° (ASTM D523) | 30-75 |
| VOC | 3.7 lbs./gal. (443 g/L) |
| Cure | Oven Time/Temp: 15-20 min up to 180°F (82°C) |
| Air Dry: To Touch: 30-40 min To Handle: 1-2 hours | |
| Wet on wet time | ≥15 min |
Performance Properties*
*results obtained over iron phosphate pretreatment with primer on CRS panels. Performance dependent on pretreatment and primer used.
| Property | Standard | Results |
|---|---|---|
| Pencil Hardness | ASTM D3363 | F - 3H |
| Conical Mandrel Bend | ASTM D522 | 1/8” when topcoated |
| Adhesion | ASTM D3359 | 4B |
| Impact Resistance (Direct/Reverse) | ASTM D2794 | >100/>100 when topcoated |
| Chemical Resistance | ASTM D1308 | Diesel Fuel, Diesel Engine Oil, Unleaded Gas, Motor Oil |
| Humidity Resistance | ASTM D2247 | 1000 hours |
| Salt Spray Resistance | ASTM B117 | 750 hours |