Series 1428
Vinester
Generic Type
Novolac Vinyl Ester
Common Usage
An enhanced elevated temperature, novolac vinyl ester, filled with specially treated premium glass flakes. This product has outstanding trowel application properties. Series 1428 is ideal for the rehabilitation of heavily corroded steel substrates and for high film build protection in the most demanding chemically active and corrosive environments. Series 1428 can be used in FGD units for time saving, quick repairs on small areas or used as a complete lining. Formerly ProPolymer 4875T.
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Finish
Semi-gloss
Volume Solids
85.0 ± 2.0% (mixed). Series 1428 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.
Curing Time
| Temperature | To Recoat | Immersion | Maximum Recoat |
|---|---|---|---|
| 90°F (32°C) | 3 hours | 24 hours | 3 days |
| 75°F (24°C) | 4 hours | 48 hours | 5 days |
| 60°F (16°C) | 12 hours | 4 days | 7 days |
Recoat times are typical for coating to be dry-to-touch and ready for the next application. Immersion and certain other services may require longer cure times and/or elevated temperature post cure for optimal performance. ASTM D2583 Barcol Hardness check is also recommended, minimum 40. Coating that has exceeded its maximum recoat time should be checked for styrene or acetone sensitivity or uniformly scarified to assure secondary bonding. Consult Tnemec Technical Services and Technical Bulletin 22-119 R1.
Topcoats
Series 1436, 1438, 1439, 1448
Primers
Self priming or Series 1402, 1407.
Note: For services above 180°F (82°C), do not use a primer.
Recommended DFT
30.0 to 80.0 mils (760 to 2030 microns) per coat.
Intermediate
Series 1428
Volatile Organic Compounds
EPA Method 24
0.52 lbs/gallon (62 grams/litre) mixed
Number of Components
Two: Part A (base) and Part B (catalyst)
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