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PRUETT-SCHAFFER

PRODUCT NUMBER	PRODUCT NAME
26-14	BROWN OXIDE WATER BASED ALKYD PRIMER
GENERAL DESCRIPTION Pruett-Schaffer’s #26-14 Brown Oxide Primer is an air drying, water reducible alkyd paint. It is designed for use as a primer or low gloss DTM finish coat for metal substrates. The cured film exhibits good flexibility and corrosion resistance, and excellent adhesion to a wide variety of metal substrates. RECOMMENDED USES This product can be used on equipment and machinery, sheet and tube stock, shelving, axles, bins, and tanks as a primer or low gloss finish coat. It’s fast drying and exhibits good application characteristics and adhesion to a wide variety of substrates including minimally prepared cold rolled steel, castings, forgings, aluminum, and existing coatings. Not recommended for immersion service or for areas subject to temperatures in excess of 300 ⁰F. The paint is not flammable and has very low toxicity. It can be topcoated with acrylic emulsions or either waterbased or solvent based enamels, Although not designed as a Universal type primer, it does have very good solvent resistance. If urethane or epoxy topcoats are to be used spot check to make sure that lifting does not occur. SURFACE PREPARATION Apply as a direct-to-metal topcoat or as a primer. For best results in DTM service, substrates should be blasted to SSPC-SP-6 minimum, with a 1-mil blast profile. Feather all rough or sharp edges. This coating is very tolerant of less than perfect surface preparation, so chemical cleaning, water blasting, or even hand or power tool cleaning may be sufficient, depending on the level of service required. At a minimum for acceptable performance, all surfaces to be coated must be clean, dry, and free of oil and grease, loose rust and paint, weld spatter, burning slag, dust, and chalk. THINNING Under normal conditions no thinning is necessary or desirable.		Thin if necessary for proper spraying with an 80/20 mixture of water/butyl cellosolve (Pruett-Schaffer Thinner #98-8937). Add thinner a little at a time with constant gentle agitation to a maximum of 5% by volume. APPLICATION EQUIPMENT This paint may be applied by dip tank application, air-assisted, or airless spray. Apply 1.0 to 1.5 mils dry film thickness if used as a primer or direct-to-metal. When using dip tank application, contact Pruett-Schaffer for further information regarding the pH and viscosity maintenance requirements of the product in a dip tank. DRYING TIME Dries tack free in 15-45 minutes at 77 ⁰F and 50% Relative Humidity. Light handling may be possible in 90 minutes. High humidity will prolong dry time more so than low temperatures. To speed the dry time good air movement over the work and local exhaust is recommended. Heat lamps or forced warm air-drying will reduce dry time in cold shops. CLEANUP Clean equipment with warm soap and water or water/butyl cellosolve in an 80/20 mixture before the film dries. Run ethyl alcohol through spray guns after cleaning to prevent corrosion of steel parts. ENVIRONMENTAL This product meets current air pollution regulations regarding hydrocarbon and ozone reactive emissions. It contains no lead or chromate, and complies with current federal regulations regarding the use of lead in paint. PHYSICAL PARAMETERS VOC, ASTM D-3960: 2.14 lb/gal	WEIGHT PER GALLON, ASTM D-1475: 10.37 lbs NONVOLATILE: By weight: 45.6 +/- 2.0 % By volume: 30.5 +/- 1.0% THEORETICAL COVERAGE: 489 ft²/gallon/mil, dry film INITIAL GLOSS, 60⁰, ASTM D-523: 5-10 VISCOSITY, ASTM D-562: 65-75 Krebs Units pH RANGE, ASTM D-4584: 8.0-8.9 FLASH POINT, PENSKY-MARTINS CC: > 141 ⁰F TEST DATA SALT SPRAY EXPOSURE, ASTM B-117 and D-1654, 5% SOLUTION: 160 hrs rust creepage from scribe: < 1 mm IMPACT, ASTM D-2794: Direct: > 80 in-lbs Reverse: > 60 in-lbs ELONGATION, ASTM D-522: 1/4 in conical mandrel: no cracking or flaking
THIS INFORMATION RESULTS FROM TESTS CONDUCTED IN A LABORATORY UNDER LABORATORY CONDITIONS. DIFFERENT RESULTS MAY BE OBTAINED IN COMMERCIAL USE OF THIS PRODUCT UNDER FACTORY OR FIELD CONDITIONS. PRUETT-SCHAFFER MAKES NO WARRANTY CONCERNING THE SUITABILITY OF THIS PRODUCT FOR THE END USE CONTEMPLATED BY THE BUYER, EXCEPT THAT THE PRODUCT SHALL BE IN COMPLIANCE WITH THE TECHNICAL SPECIFICATIONS PRESENTED HEREIN.

REVISED 11-20-2000 PRUETT-SCHAFFER, 3327 STAFFORD STREET, PITTSBURGH, PA 15204

PHONE: (412) 771-2000 FAX: (412) 771-2205