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PRODUCT NUMBER

PRODUCT NAME

16-13057

WHITE EPOXY TOPCOAT

 

GENERAL DESCRIPTION

 

Pruett-Schaffer’s #16-13057 White Epoxy Topcoat is a two component, phenalkamine cured epoxy for use where good chemical resistance is needed.  It is designed as a high gloss, spray applied, corrosion resistant, heavy duty, topcoat.  It  exhibits excellent adhesion over a wide variety of substrates, and exceptional corrosion, water  and chemical resistance with the ability to cure at much lower temperatures than conventional epoxies.

 

RECOMMENDED USES

 

Use to protect machinery, tanks, and structures from corrosion in aggressive environments where chemicals, salt, water, fuels, and oils are present.  Formulated to allow high film build in one pass to protect hard to cover sharp edges. May also be used as an encapsulation coating.  This formula will chalk on long term exposure to sunlight.

 

SURFACE PREPARATION

 

For severe service, metal substrates should be blasted to an SSPC-SP-10 white metal blast with a 1.5 +/- .5 mil blast profile.  An SP-6 commercial blast may be sufficient for many repair or DTM applications with less severe requirements.  This coating is very tolerant of poor surface preparation; for tightly adhering existing coatings, degreasing and hand tool cleaning, power washing, brush blasting, sanding, or a combination of these methods may be acceptable.  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.

 

MIXING INSTRUCTIONS

 

Mix 4 parts by volume #16-13057-A with 1 part 16-B Hardener.  Mix at slow speed to avoid entraining air into the paint.  Use at once, there is no induction time. Do not reuse previously used mixing containers; partially cured material will greatly accelerate the cure of the freshly mixed paint resulting in dramatically reduced pot life.

 

THINNING

 

Thin if necessary for spraying with xylol or toluol.  Add a little solvent at a time to the mixed system with constant gentle agitation to a maximum of 5% by volume.

 

APPLICATION EQUIPMENT

 

May be applied by brush or airless spray.  Airless spray gives the best results, use .015-.020 inch tip size.  Apply 7-8 mils wet film thickness to yield 3-4 mils dry film thickness.  Brushes should be of polyester or nylon construction.

 

CURE TIMES & TEMPERATURES

 

Cures set-to-touch in 1.5-3 hours at 77 0F, approximately 2 hours at 70 0F.  Topcoat within 8-48 hours or reduced adhesion of the second coat may result.  Allow 7-10 days cure at 70 0F before placing into severe service, longer if ambient temperature is lower.  Recommended minimum application temperature is 0 0F.  Below 40 0F add cold weather accelerator (Pruett-Schaffer part number #13-13715)

 

 

 

at a rate of 1 pint per 5 gallons mixed system; this will result in a 24-48 hour cure time.

 

CLEANUP

 

Clean equipment with xylol or toluol before the film cures.

 

ENVIRONMENTAL

 

This product meets current air pollution regulations regarding hydrocarbon and ozone reactive emissions.  It is VOC compliant for the architectural maintenance industry, and contains no lead, chromate, or zinc.

 

PHYSICAL PARAMETERS

 

VOC, ASTM D-3960:  3.15 lb/gal mixed system

 

WEIGHT PER GALLON, ASTM D-1475:

10.13 lbs mixed system

 

NONVOLATILE, mixed system:

   By weight:    69.1 +/- 2.0 %

   By volume:   56.1 +/- 1.0%

THEORETICAL COVERAGE:

899 ft2/gallon/mil, dry film

 

INITIAL GLOSS, 600, ASTM D-523:

75 min.

VISCOSITY, mixed system, ASTM D-562:

60-70 Krebs Units

 

POT LIFE, mixed in 5 gal lots:

6-8 hrs @ 77 0F; 2 hrs @ 90 0F

Pot life will shorten if cold weather accelerator is added.

 

FLASH POINT, TAG CC:  81 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 02-18-2002