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PT-573 - FILLER/SANDING PRIMER

GRAY
|
SURFACE PREPARATION
|
PT-573
PT-573
PT-573 - FILLER/SANDING PRIMER

PT-573 - FILLER/SANDING PRIMER
Part Number: PT-573
Military Specification: Not a MIL-SPEC Coating

PT-573 Filler/ Sanding Epoxy Primer is a two component epoxy based primer. PT-573 is capable of filling small holes and imperfections before top coating. PT-573 provides a smooth, sandable base coat that improves the adhesion and appearance of the top coat. Because of PT-573’s unique formula, this primer also provides excellent rust and corrosion protection. This primer is compatible with PTI’s topcoats.

PRODUCT SPECIFICATIONS
PTI PART NUMBER
PT-573
PRODUCT TYPE:
SURFACE PREPARATION
COLOR:
GRAY
BMS SPECIFICATION:
None
MIL-SPEC:
None
OTHER SPECIFICATIONS
None
UNIT SIZE
None

Extended Description

PT-573 Filler/ Sanding Epoxy Primer is a two component epoxy based primer. PT-573 is capable of filling small holes and imperfections before top coating. PT-573 provides a smooth, sandable base coat that improves the adhesion and appearance of the top coat. Because of PT-573’s unique formula, this primer also provides excellent rust and corrosion protection.

This sandable primer is compatible with PTI’s epoxy (PT-426F series) and Polyurethane (PT-785 and PT-799series) top coats.

COLORS

This coating can be provided light gray.

COATING PROPERTIES & CHARACTERISTICS

  • Mix Ratio, by volume 1 part Base to 1 part Catalyst by volume
  • Reducer No thinning required
  • Recommended Dry Film Thickness 1 – 2 mils
  • Admixed Weight per Gallon 11.5 lbs.
  • Theoretical Coverage 500 sq. ft.²/gal.
  • Pot Life 8 hours
  • Lubricating Oil Resistance di-2-ethyl-hexyl sebacate (95%) & trieresyl phosphate(5%) at 250°F for 4 hours
  • MEK Resistant 50 Passes
  • MIL-L-23699 Lubricating Oil 24 hours at 120°CMIL-H-8382 Hydraulic Fluid 24 hours at 150°FDS2 Resistance Pass
  • Coatings VOC Below 340 g/L

SHELF LIFE

Shelf life is only applicable for materials stored in unopened and undamaged original factory filled containers.
1 year when stored between 50⁰-85⁰ Fahrenheit.

SURFACE PREPARATION INSTRUCTIONS

This primer can be applied directly to metal that has been prepared according to a recognized cleaning method such as Federal Test Method Standard, #141 and Method 2013. It is recommended that all parts be pretreated with PTI’s Acid Etching Wash Primer, PT-402 which meets MIL-C-8514. However, parts can also be pretreated with chemical conversion coating materials or alodine.

  • Scuff the surface with scotch bright pads.
  • Dust off the surface with an air hose and wand.
  • Wipe of the substrate with IPA, Acetone or PTC-2002 to remove grime and oils
  • Remove all remaining dust and debris by lightly wiping the substrate with a tack or “cheese” cloth
  • For additional protection apply PTI’s Acid Etch Primer prior to the Epoxy Primer

MIXING INSTRUCTIONS

Shake component A in a paint shaker for 5 – 10 minutes for optimal results.Admix by volume:

  1. Stir or shake both component “A” and “B” well before mixing
  2. Add 1 part of Component “A” to 1 part of Component “B” by volume and stir thoroughly. Stir each well before mixing. If additional reducing is required use PT-1002 or PT-1003 TY II as needed.
  3. Mix only an amount that can be used in one day.

APPLICATION

This product can be applied using conventional air spray equipment, HVLP spray system. Please consult with a PTI representative for specific equipment recommendations and settings.

  1. Make sure pots, guns, and lines are purged and cleaned.
  2. Mix both base and catalyst thoroughly and filter/strain before spray application.
  3. HVLP Spray Pressure: 7-10psi. Convention spray equipment 25-40 psi
  4. Always air-blow and tack wipe the surfaces to be painted. Aircraft should be grounded to prevent static.
  5. Best application results: apply 1 fog/tack coat at 0.5 mil thickness followed by a heavy coat that can be up to 1.5 mils. This product is intended for high build film thickness, apply additional coats if necessary.

NOTE: Application of PTI products requires the use of all OSHA approved safety equipment, including proper ventilation. Additionally, PTI products require the recommended temperature/humidity conditions and film thickness ranges for optimal performance. The material, hangar, and aircraft skin temperatures should be no lower than 75⁰ F / 25⁰ C before, during and after application.

Product Data Sheet & Safety Data Sheet Unavailable Online For This Product
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