Series 239

ChemTread

Generic Type

Modified Novolac Polyamine Epoxy

Common Usage

A chemical resistant, multi-purpose novolac epoxy coating that can be used as a primer, broadcast, slurry/broadcast, mortar, grout coat, and topcoat. Excellent application properties with good flow and self-leveling characteristics. Protects concrete surfaces from impact, abrasion and mild chemicals.

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Curing Time

Temperature To Topcoat/Broadcast To Place in Service Full Cure
75°F (24°C) 12 to 24 hours 24 hours 5 days

Note: If more than 24 hours have elapsed between coats, the coated surface must be mechanically abraded before topcoating. Note: There is no maximum recoat time if aggregate has been broadcast to refusal into the preceding coat. Note: 24 hour cure provides for traffic, secondary containment and certain mild chemical exposures. Up to five days cure is required for certain severe chemical exposures. Contact your Tnemec representative or Tnemec Technical Services. Curing time varies with surface temperature, air movement, humidity and film thickness.

Primers

Self-priming or Series 201, 208, 241

Volume Solids

100% (mixed)

Volatile Organic Compounds

Unthinned: 0.013 lbs/gallon (1.5 grams/litre)
Thinned 5% (No. 2 Thinner): 0.47 lbs/gallon (56 grams/litre)

Topcoats

Series 239, 252SC, 282, 286. Note: Drier mixes, typically used for power trowel application, should be grouted with Series 239 prior to the finish coat application.

Number of Components

Liquids–Two: Part A and Part B (2 parts A to 1 part B by volume)
Field Colorant–One: (optional) (Series 820)
Note: Aggregate for mortar applications (S239-0301C) is available from Tnemec or can be purchased from an approved supplier.

Recommended DFT

Primer: 6.0 to 12.0 (150-305 microns) per coat.
Broadcast: 1/16" to 1/8” (Double broadcast or slurry broadcast required to achieve 1/8")
Mortar: Suggested 1/4” (Minimum of 1/8”, Maximum of 1”)
Grout Coat: 8.0 to 16.0 mils (203 to 406 microns)
Intermediate or Topcoat: 8.0 to 16.0 mils (203 to 406 microns)

HAPS

Unthinned: 0.0 lbs/gal solids
Thinned 5% (No. 2 Thinner): 0.37 lbs/gal solids

Theoretical Coverage

1,604 mil sq ft/gal (39.4 m²/L at 25 microns). See APPLICATION for coverage rates.

Surfacer/Filler/Patcher

Series 206, 215. Note: A repair kit of 201, with Part C fumed silica, is available for small patching/surfacing repairs. For more extensive repairs and additional information, contact your Tnemec representative or Tnemec Technical Services.

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