Aliphatic Moisture Cured Urethane
Extremely hard, chemical-resistant urethane floor coating with superb wear characteristics. Excellent resistance to abrasion, wet conditions, corrosive fumes and chemical contact. Excellent gloss and color retention. Low odor characteristic allows for use near occupied space.
Series 248 was tested in accordance with, and passed, the California Department of Public Health CDPH/EHLB/Standard
Method Version 1.1, 2010 emissions testing and meets qualifications of LEED v4, Collaborative for High Performance
Schools, and Living Building Challenge.
Product Data Sheets
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Volatile Organic Compounds
Unthinned: 0.68 lbs/gallon (82 grams/litre) †
Series 66, 66HS, 161, 161HS, 210, 237, 238, 256, 280, 281, 284, 285, 287
Note: Applying Series 248 to one of the listed primers or intermediate coats does not require sanding if the maximum recoat window for the primer or intermediate coat has not been exceeded. However, when applying Series 248 over smooth, slick, glossy surfaces it is good practice to uniformly degloss the surface by power sanding with 100 grit sandpaper, a 60 mesh sanding screen or a coarse stripping pad to eliminate surface tension and any potential for possible contamination in the surface that may lead to fisheyes and/or poor adhesion. Sanding is not required when topcoating textured coatings (i.e. aggregate or colored quartz broadcast to refusal) with Series 248 if the maximum recoat window for the primer or intermediate coat has not been exceeded. Note: When applying Series 248 over a broadcast or mortar system, a 100% solids epoxy grout coat or Series 256 is required.
Number of Components
Three: Part A, Part B (clear) and Part C (powder)
|Temperature||Min. Recoat ‡||To Service||Chemical Resistance|
|75°F (24°C)||12 hours||24 hours||7 days|
‡ When recoating, the surface must be thoroughly scarified using 60 grit sandpaper.
Curing time varies with surface temperature, air movement, humidity and film thickness.
92 ± 2.0% (clear mixed) †
1,476 mil sq ft/gal (36.2 m²/L at 25 microns). See APPLICATION for coverage rates. †
Semi-gloss. Note: The gloss level can be reduced by adding two Part C filler components to each kit.
2.0 to 3.0 mils (50 to 75 microns) per coat. Note: Number of coats will vary depending on color, substrate (surface) and other variables. Contact your Tnemec representative.
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