PPG Spectracron® 531
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Description
This versatile solvent-based primer is found across a variety of industries and end uses, protecting surfaces with high blast profiles whilst providing flexibility in process conditions.
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Chemistry
2K Epoxy
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Benefits
- High film build capable
- Long pot life with no induction time
- Low gloss
- 1:1 Mix Ratio
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Suggested End Uses
- Agricultural Equipment
- Custom Coaters
- Fabricated Metal
- Material Handling
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, White |
| Gloss @ 60° (ASTM D523) | <10 |
| VOC | <4.5 lbs./gal. (540 g/L) |
| Cure | Oven Time/Temp: 20-30 min up to 160°F (71°C); Air Dry: To Touch: 45 min To Handle: 3 hours |
| Pot Life | 8 hours |
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 | 2H |
| Conical Mandrel Bend | ASTM D522 | 1/8” |
| Adhesion | ASTM D3359 | 5B |
| Humidity Resistance | ASTM D2247 | 500 hours |
| Salt Spray Resistance | ASTM B117 | 750 hours |