Series 290

CRU

Generic Type

Aliphatic Polyester Polyurethane

Common Usage

Extremely hard, chemical-resistant urethane coating with excellent resistance to abrasion, washdown conditions, corrosive fumes and chemical contact. Gloss retention among the best of air dried finishes.

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Number of Components

Two: Part A and Part B (2.5 Parts A to 1 Part B by volume)

Theoretical Coverage

1,075 mil sq ft/gal (26.4 m²/L at 25 microns). See APPLICATION for coverage rates. †

HAPS

Unthinned: 0.16 lbs/gal solids
Thinned 10% (Max) (No. 39 Thinner): 0.16 lbs/gal solids
Thinned 10% (Max) (No. 42 Thinner): 0.16 lbs/gal solids

Primers

Steel: Series 20, 27, 66, L69, L69F, N69, N69F, V69, V69F, 90-97, 90-1K97, 104, L140, L140F, N140, N140F, V140, V140F, 161, 205.
Concrete: Series 66, L69, L69F, N69, N69F, 104, 161, 201, 203, 205, 237, 237SC, 238, 293SC, 280, 281, 287.

Intermediate

Series 20, 27, 66, L69, L69F, N69, N69F, 104, L140, L140F, N140, N140F, 161, 205, 210, 237, 238, 270, 273, 280, 281, 282, 287. Note: Before topcoating with Series 290, any Tnemec epoxy exterior exposed for more than three weeks must be scarified or reprimed with itself. Mechanically abrading or power-sanding is the preferred method of scarification. The maximum recoat time for Series 210, 237, 238, 280, 281 and 282 is 24 hours. Refer to those product data sheets. Inorganic zinc-rich primers require an epoxy intermediate coat. Note: Scarification using a power sander and 100 grit sandpaper, No. 60 mesh sanding screen or a coarse stripping pad is required if topcoating Series 290 with itself. Note: When applying Series 290 over a broadcast or mortar system, an epoxy grout coat is required.

Finish

Semi-Gloss

Volume Solids

67 ± 2.0% (mixed) †

Curing Time

Temperature Min. Recoat To Service Chemical Resistance
75°F (24°C) 12 hours 24 hours 7 days

Curing time varies with surface temperature, air movement, humidity and film thickness.

Volatile Organic Compounds

Unthinned: 2.41 lbs/gallon (288 grams/litre)
Thinned 10% (Max) (No. 39 Thinner): 2.76 lbs/gallon (330 grams/litre)
Thinned 10% (Max) (No. 42 Thinner): 2.80 lbs/gallon (335 grams/litre) †

Recommended DFT

2.0 to 3.0 mils (50 to 75 microns) per coat. Note: Number of coats will vary depending on substrate (surface) and other variables. Contact your Tnemec representative.

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Chemical Resistance

English_Series_290_Cru_cds.pdf

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