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

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.

Recommended DFT

12.0 to 60.0 mils (305 to 1524 microns)

Number of Components

Two: Part A (base) and Part B (catalyst)

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.

Intermediate

Series 1422, 1428

Topcoats

Series 1438, 1439

Volatile Organic Compounds

EPA Method 24
1.14 lbs/gallon (136 grams/litre)

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