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PRODUCT NUMBER

PRODUCT NAME

29-42

WHITE SEMI GLOSS LATEX

 

 

GENERAL DESCRIPTION

 

Pruett-Schaffer’s #29-42 White Latex Semi Gloss is a latex paint for interior maintenance.  It is a PVA/Acrylic blend with good film characteristics at a low cost.

 

RECOMMENDED USES

 

This product may be used on dry wall, cinder block, concrete block and properly sealed wood.  Although 29-42 is not a rust inhibitive coating, it may be used on most interior steel pipes.  Do not use on galvanized metal.

 

SURFACE PREPARATION

 

Apply as a direct-to-metal topcoat or over 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  air-assisted, or airless spray, roller, or brush.  Apply 2-4  mils dry film thickness.

 

DRYING TIME

 

Dries tack free in 15-30 minutes at 77 0F and 50% Relative Humidity.  Light handling may be possible in 30 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:  

1.5 lb/gal

 

WEIGHT PER GALLON, ASTM D-1475:

11.00 lbs

 

NONVOLATILE:

   By weight:    52%

   By volume:   35%

 

THEORETICAL COVERAGE:

280 ft2/gallon @ 2-mils dry

 

INITIAL GLOSS, 600, ASTM D-523:  

35-35

 

VISCOSITY, ASTM D-562:

77-83 Krebs Units

 

pH RANGE, ASTM D-4584:

8.0-8.9

 

FLASH POINT, PENSKY-MARTINS CC:

> 141 0F

 

 

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 04-02-2001