Series 1420
ProPolymer
Generic Type
Epoxy Vinyl Ester
Common Usage
Series 1420 is an FDA-compliant, trowel-grade vinyl ester lining suitable for direct-food contact in tanks and vessels. Glass-flake reinforcement provides additional abrasion and permeation resistance in wet slurry or immersion service environments. Series 1420 may be used as a stand-alone lining system or with a gel coat in a multi-coat system. Replaces ProPolymer 4855T.
Special Qualifications
Complies with the requirements and extractive limitations of US FDA 21 CFR Part 175.300 Resinous and Polymeric Coatings for tanks or other repeated use direct food storage or mixing vessels 5 gallons or greater under conditions of use C-E with all food types. Compliance was based upon raw material supplier documents, and third party analytical and extractive test results (HKGH02404141).
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Volume Solids
85.0 ± 2.0% (mixed). Series 1420 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. Direct food contact service requires post cure; see Application Guide. ASTM D2583 Barcol Hardness check is also recommended, minimum 30. 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.
Intermediate
Series 1420
Primers
Self-priming on steel or Series 1402 (for FDA food service), 1407. Note: For services above 180°F (82°C), do not use a primer.
Volatile Organic Compounds
EPA Method 24
0.65 lbs/gallon (78 grams/litre)
Theoretical Coverage
1,363 mil sq ft/gal (33.4 m²/L at 25 microns). See APPLICATION for coverage rates.
Finish
Matte
Number of Components
Two: Part A (base) and Part B (catalyst)
Recommended DFT
30.0 to 60.0 mils (760 to 1525 microns) per coat.
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Support Documents
ProPolymer Flier (FLYPRO) TB_99-18_Maintenance of Polymer Floor Coatings.pdf