Series 1438
Vinester
Generic Type
Novolac Vinyl Ester
Common Usage
A high-build, novolac vinyl ester, glass-flake filled lining with an enhanced elevated temperature resistance in dry and wet corrosive environments. Series 1438 is ideal for use in flue gas desulfurization (FGD) units, hot duct work, and wet and dry absorbers. Also an outstanding primary lining for many challenging chemical immersion services. Formerly ProPolymer 4844S.
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Finish
Semi-gloss
Primers
Self-priming or Series 1402
Recommended DFT
12.0 to 60.0 mils (305 to 1524 microns)
Intermediate
Series 1422, 1428
Volume Solids
85% (mixed). Series 1438 contains a reactive monomer and some loss will occur during application and cure. Actual solids by volume will vary depending upon temperature and air movement.
Number of Components
Two: Part A (base) and Part B (catalyst)
Curing Time
| Temperature | To Recoat | Immersion | Maximum Recoat |
|---|---|---|---|
| 90°F (32°C) | 3 hours | 20 hours | 3 days |
| 75°F (24°C) | 4 hours | 24 hours | 4 days |
| 50 °F (10°C) | 12 hours | 4 days | 5 days |
Note: Certain service applications may require elevated temperature cure for maximum performance.
Volatile Organic Compounds
EPA Method 24
1.14 lbs/gallon (136 grams/litre)
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