Series 489
LavaCrete
Generic Type
Epoxy Vinyl Ester Polymer Concrete
Common Usage
Series 489 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 489 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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Finish
Flat (as poured). Note: A semi-gloss finish can be achieved by troweling the surface.
Recommended DFT
3/8" to 10" (1 to 25 cm) in a single pour.
Primers
Series 1407. Note: For services above 180°F (82°C), do not use a primer.
Volume Solids
100% (mixed). Series 489 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.
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.
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.
Volatile Organic Compounds
0.02 lbs/gallon (1.9 grams/litre)
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