Series 1444
Vinester
Generic Type
Novolac Vinyl Ester
Common Usage
A high-build, vinyl ester lining with corrosion resistant graphite and other specialty fillers to create a low surface energy film imparting a high degree contact angle resulting in improved non-stick characteristics. Use this enhanced, silica-free material in prevention of process material build-up such as fly ash, caking by-products and slurry deposits. Save time and costs with the improved cleaning properties of this coating versus other non-release type linings. An ideal finish coat for hot caustic and non-silica preferred lining applications such as hydrofluoric acid.
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Finish
Semi-gloss
Volatile Organic Compounds
EPA Method 24
1.14 lbs/gallon (136 grams/litre)
Recommended DFT
12.0 to 60.0 mils (305 to 1525 microns)
Topcoats
Series 1444 is a finish coat only.
Number of Components
Two: Part A (base) and Part B (catalyst)
Volume Solids
85.0 ± 2.0% (mixed). Series 1444 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.
Primers
Self-priming on steel or Series 1402, 1407. Note: For services above 180°F (82°C), do not use a primer.
Surfacer/Filler/Patcher
Series 215, 217, N218, primer with 211-9111 or fumed silica. Note: Series N218 should be used for filling or patching small areas only. For areas in need of full resurfacing, select one of the other recommended products.
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 20. 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.
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