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PT-426F LOW VOC EPOXY TOPCOAT

CALL FOR COLORS
|
FINISH COATINGS
|
PT-426F & G
PT-426F & G
PT-426F LOW VOC EPOXY TOPCOAT

PT-426F LOW VOC EPOXY TOPCOAT
Part Number: PT-426F & G (COLOR#)
Military Specification: PT-426F – MIL-PRF-22750E, F & G Type I CL H GRADE B as well as BMS 10-11V Type II

PT-426F – MIL-PRF-22750E, F & G Type I CL H GRADE B as well as BMS 10-11V Type II are high performance, two component catalyst cure epoxy topcoats designed for interior and exterior use on high performance aviation/aerospace, industrial, and marine applications. PT-426G Series Epoxy meets, and exceedsThis high performance coating contains no substance of known toxicity (under normal usage conditions) and provides ultimate protection. These epoxy topcoats provide a high quality finish to metal, wood, and most other materials capable of being coated and offer excellent chemical resistance properties.

PRODUCT SPECIFICATIONS
PTI PART NUMBER
PT-426F & G
PRODUCT TYPE:
FINISH COATINGS
COLOR:
CALL FOR COLORS
BMS SPECIFICATION:
BMS 10-11V Type II
MIL-SPEC:
PT-426F – MIL-PRF-22750E, F & G Type I CL H GRADE B
OTHER SPECIFICATIONS
NONE
UNIT SIZE
NONE

Extended Description

PT-426F – MIL-PRF-22750E, F & G Type I CL H GRADE B as well as BMS 10-11V Type II are high performance, two component catalyst cure epoxy topcoats designed for interior and exterior use on high performance aviation/aerospace, industrial, and marine applications. PT-426G Series Epoxy meets, and exceedsThis high performance coating contains no substance of known toxicity (under normal usage conditions) and provides ultimate protection. These epoxy topcoats provide a high quality finish to metal, wood, and most other materials capable of being coated and offer excellent chemical resistance properties.

COLORS

ALL FEDERAL STD 595C. ALSO AVAILABLE IN CUSTOM COLORS AND GLOSS RANGES.

COATING PROPERTIES & CHARACTERISTICS

  • Mix Ratio, by volume 2 parts Base to 1 part Catalyst
  • Reducer PT-1003 Type II
  • Recommended Dry Film Thickness 1 to 2 mils
  • Admixed Viscosity 17 seconds, max #4 Ford
  • Admixed Weight per Gallon 8.45 lbs.
  • Admixed Solids By Weight 67%
  • Theoretical Coverage 400 square ft. at 1 mil thickness
  • Pot Life 4 hoursCoatings VOC 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 at 50⁰-85⁰ F.

MIXING INSTRUCTIONS

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

  • 2 Part Component A (Base)
  • 1 Part Component B (Catalyst)
  • Add the Catalyst into the Base.

Admixed material should be allowed a 15-minute induction time for best application results.

Reduce: Use reducer PT-1003 Type II no more than 10% by volume.

APPLICATION

This product can be applied by brushing, rolling or 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. NOTE: It is not recommended to strain flat/matte coatings.
  3. HVLP spray pressure: 7-10psi. Conventional spray pressure 15-30psi
  4. Always air-blow and tack wipe the surfaces to be painted. Aircraft should be grounded to prevent static.
  5. Best application results: fullest coverage apply 3 coats: 1 fog/tack coat & 2 full coats 0.6 – 1 mil thickness.
  6. Do not allow more than 48 hours to pass before applying the second coat.
  7. Recommended Dry Film Thickness is 1-2 mils. Some colors may require thicker films to achieve hiding.
  8. For wet sanding or buffing of coating, wait a minimum of 13 hours but not more than 26 hours. NOTE: If paint is allowed to cure for more than 48 hours wet sanding and buffing is not possible.

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.

DRYING & CURING SCHEDULE

Dry times are based on the dry film thickness between 1-2 mils (25-50 microns).

Air Dry Times: (75⁰F / 25⁰C and 50% Relative Humidity)
Set to touch:

4 hours

Dry hard:

8 hours

Full chemical:

7 days minimum

Force Dry Times:

MUST AIR DRY FOR AT LEAST 15 MINUTES.

Dry hard:

2 hours at 150⁰F.Full chemical: After “dry hard” 2 hours at 225⁰F

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