Series 490


Generic Type

Novolac Vinyl Ester Polymer Concrete

Common Usage

Series 490 is a durable polymer concrete which exhibits fast curing and minimal shrinkage. Ideal for the rehabilitation of severely eroded concrete or for the corrosion-proofing of new concrete where superior chemical resistance is required throughout the complete topping system. Series 490 has enhanced solvent and temperature resistance over standard vinyl ester materials. Series 490 is ideal for pump and pad rebuilds in areas of strong acid and caustic exposure. Use to cast sumps and trenches off-site for time and labor savings.

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Volume Solids

100% (mixed). Series 490 contains a reactive monomer and some loss will occur during application and cure.


Flat (as poured). Note: A semi-gloss finish can be achieved by troweling the surface.

Curing Time

Temperature Light Traffic/To Handle Return to Service Maximum Chemical Resistance
90°F (32°C) 1-2 hours 12-24 hours 24 hours
75°F (24°C) 2-4 hours 24 hours 24 hours
50°F (10°C) 8-10 hours 48 hours 72 hours

Curing times are based upon 3/8-inch of material, thicker castings and pours may result in longer set times. Note: Certain immersion service times may require additional cure time, contact Tnemec Technical Services for additional information.


Series 1407. Note: For services above 180°F (82°C), do not use a primer.

Recommended DFT

3/8" to 10" (1.0 to 25 cm) in a single pour.

Volatile Organic Compounds

0.63 lbs/gallon (76 grams/litre)

Theoretical Coverage

Coverage rates based on Casting/Topping Application:
110 sq ft (10.2 m²) at 3/8" per large kit (LK)
83 sq ft (7.7 m²) at 1/2" per large kit (LK)
41 sq ft (3.8 m²) at 1" per large kit (LK)

See APPLICATION for additional coverage rates.

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