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02Y040A yellow epoxy primer is a high solids, chemically cured, strontium chromated primer which provides corrosion, chemical and solvent resistance. It is compatible with MIL-PRF-85285 polyurethane topcoats for protection of military aircraft exteriors.
  • High solids
  • Excellent adhesion
  • Corrosion inhibiting
  • Provides excellent chemical resistance to solvents
  • Resistant to immersion in hydraulic fluids, lubricating oils, phosphate ester based hydraulic fluids, Skydrol® hydraulic fluid and distilled water
Unit of Measure

Components

Components

 N/A Mix Ratio (by Volume)
  • 02Y040A (base component) - 3 Part
  • 02Y040ACAT (catalyst component) - 1 Part

Specifications

Specifications

 N/A 02Y040A is qualified to:
  • MIL-PRF-23377 Type I Class C2
  • MCS9053 Type I Class 1 Grade 1
  • RBO 125-014
Note: PPG Aerospace recommends you check the most recent specification QPLs for updated information.

Product Compatibility:

02Y040A is compatible with the following topcoat specifications:
  • DMS 2115
  • MIL-PRF-22750
  • MIL-PRF-85285
  • MMS 420

Surface Preparation and Pretreatments

 N/A 02Y040A primer can be applied over clean, dry, intact aluminum and composites surfaces. Aluminum surfaces shall be treated with materials conforming to MIL-C-5541 or equivalent.

Color

 N/A Yellow

Application Guidelines

Mixing Instructions

 N/A Stir or shake the base component to ensure any pigment, which may have settled on the bottom of the can, has been fully incorporated into the base. Do not stir or shake the base component longer than 5 minutes. Slowly add one part by volume of catalyst to one part by volume base component. Mix by hand stirring, paint shaker or mechanical mixing to ensure the base/catalyst mixture is homogeneous. Do not shake or mechanically mix material for longer than 10 minutes. Constant agitation of the material during spray application is recommended.

Note: It is important to condition the paint for 24 hours prior to mixing by placing all materials in the shop or hangar, with ambient temperatures between 13 ºC and 35 ºC (55 ºF to 95 ºF). The minimum temperature of the paint components should be 13 ºC (55 ºF) prior to mixing.

Induction Time

 N/A Not Required

Maximum Viscosity at 23 Degree Celsius (ºC) (73 Degree Fahrenheit (ºF)) Temperature (#4 Ford Cup)

 N/A 40 seconds

Note for Viscosity

 N/A Viscosities quoted are typical values obtained when using specified mix ratio.

Pot Life at 21 to 25 Degree Celsius (ºC) (70 to 77 Degree Fahrenheit (ºF)) Temperature

 N/A 4 hour

Recommended Application Conditions - Temperature

 N/A 15 to 30 ºC59 to 86 ºF

Recommended Application Conditions - Relative Humidity (RH)

 N/A 20 to 90 %

Applications

 N/A These application guidelines represent PPG's best advice in standard conditions. Some parameters will be influenced by environmental conditions, equipment settings, and other variables.

Theoretical Coverage at 25 Microns (µm) Dry Film Thickness

 N/A 23 m²/L

Theoretical Coverage at 1 Mil Dry Film Thickness

 N/A 953 ft²/gal

Recommended Dry Film Thickness

 N/A 15 to 23 c0.6 to 0.9 mil

Dry Film Density

 N/A 1.70 g/cm³14.18 lb/gal

Dry Film Weight at 25 Microns (µm) Dry Film Thickness

 N/A 4.0 g/m²

Dry Film Weight at 1 Mil Dry Film Thickness

 N/A 0.00881 lb/ft²

Equipment

Equipment Type1 N/A Conventional Air Spray Gun Electrostatic Air Assisted Airless Spray Gun Electrostatic Air Spray Gun High Volume Low Pressure Spray Gun (HVLP)

Tip Size for Electrostatic Air Spray Gun

 N/A 1.2 mm1.5 mm

Tip Size for Electrostatic Air Assisted Airless Spray Gun

 N/A #611 #613 (Graco Nomenclature)

Tip Size for High Volume Low Pressure Spray Gun (HVLP)

 N/A 1.0 to 1.4 mm

Tip Size for Conventional Air Spray Gun

 N/A 1.2 to 1.8 mm

Pot Pressure for Electrostatic Air Spray Gun

 N/A 10 to 20 psi0.69 to 1.4 bar

Pot Pressure for Electrostatic Air Assisted Airless Spray Gun

 N/A 700 to 1200 psi48 to 82 bar

Pot Pressure for High Volume Low Pressure Spray Gun (HVLP)

 N/A 10 to 20 psi0.69 to 1.4 bar

Pot Pressure for Conventional Air Spray Gun

 N/A 10 to 20 psi0.69 to 1.4 bar

Atomization Pressure at the Cap for Electrostatic Air Spray Gun

 N/A 45 to 60 psi3.1 to 4.1 bar

Atomization Pressure at the Cap for Electrostatic Air Assisted Airless Spray Gun

 N/A 40 to 60 psi2.8 to 4.1 bar

Maximum Atomization Pressure at the Cap for High Volume Low Pressure Spray Gun (HVLP)

 N/A 10 psi0.69 bar

Atomization Pressure at the Cap for Conventional Air Spray Gun

 N/A 45 to 60 psi3.1 to 4.1 bar

Equipment Cleaning

 N/A Clean spray equipment as soon as possible after use. Flush spray equipment with IS-237 Epoxy Reducer (MIL-T-81772B Type II)or Desoclean™ 45 high performance solvent cleaner. Once material has cured, use an approved chemical paint removal system to strip primer from parts and equipment.

Physical Properties

Gloss

 N/A Not Applicable

Maximum Tack Free Dry Time at 21 to 27 Degree Celsius (ºC) (70 to 80 Degree Fahrenheit (ºF)) Temperature

 N/A 5 hour

Dry to Topcoat Time at 21 to 27 Degree Celsius (ºC) (70 to 80 Degree Fahrenheit (ºF)) Temperature

 N/A 5 to 24 hour

Maximum Dry Hard Time at 21 to 27 Degree Celsius (ºC) (70 to 80 Degree Fahrenheit (ºF)) Temperature

 N/A 8 hour

Maximum Full Cure Dry Time at 21 to 27 Degree Celsius (ºC) (70 to 80 Degree Fahrenheit (ºF)) Temperature

 N/A 14 days

Note for Dry Times

 N/A Dry times are based on film thickness. Dry times above were established at room (ambient) temperatures, 75 ºC ± 5 ºF and 50% ± 10% relative humidity. After 8 hours of cure, solvent wipe the entire primed surface with IS- 297 Primer Re-activator, Acetone or equivalent. After 24 hours of cure, scuff sand the entire primed surface, followed by a solvent wipe.

Forced Dry Schedule

 N/A For dry to stack conditions only. Allow a minimum of 15 minutes flash off time at ambient temperatures prior to exposing painted parts to high temperatures. Complete testing should be done prior to use. Below are suggested starting points. Other variables may affect these cure schedules.

Flash Off Time at 49 Degree Celsius (ºC) (120 Degree Fahrenheit (ºF)) Temperature

 N/A 45 minutes

Flash Off Time at 60 Degree Celsius (ºC) (140 Degree Fahrenheit (ºF)) Temperature

 N/A 30 minutes

Flash Off Time at 71 Degree Celsius (ºC) (160 Degree Fahrenheit (ºF)) Temperature

 N/A 20 minutes

Flash Off Time at 82 Degree Celsius (ºC) (180 Degree Fahrenheit (ºF)) Temperature

 N/A 15 minutes

Note for Flash Off Time

 N/A Ambient temperatures are defined as 70 ºC ± 10 ºF and 50% ± 10% relative humidity.
Volatile Organic Compounds (VOC) Volume2 N/A 330 g/L

Test Method for Volatile Organic Compounds (VOC)

 N/A Environmental Protection Agency (EPA) Method 24

Base Component Volume

 N/A 315 g/L

Catalyst Component Volume

 N/A 372 g/L

Flash Point Closed Cup Base Component Temperature

 N/A 8 ºC46 ºF

Flash Point Closed Cup Catalyst Component Temperature

 N/A 36 ºC97 ºF

Shelf Life

 N/A 12 months from date of manufacture for most OEM specifications. Consult the specification to verify shelf life requirements.
12 months from date of manufacture for PRC-DeSoto® Standard
Note: Shelf life is provided for original, unopened containers

Storage Recommendations

Storage Recommendations

 N/A Inspect the condition of the container to ensure compliance. The material should be stored at temperatures between 5 ºC to 35 ºC (41 ºF to 95 ºF to ensure shelf life.

Note: When procuring to a qualified material specification, follow those storage instructions.

Health Precautions

Health Precautions

 N/A This product is safe to use and apply when recommended precautions are followed. Before using this product, read and understand the Safety Data Sheet (SDS), which provides information on health, physical and environmental hazards, handling precautions and first aid recommendations. An SDS is available on request. Avoid overexposure. Obtain medical care in case of extreme overexposure.

Note

Note

 N/A The application and performance property values above are typical for the material, but not intended for use in specifications or for acceptance inspection criteria because of variations in testing methods, conditions and configurations.

For industrial use only. Keep away from children.

Skydrol® is a trademark of Solutia, Inc.

All recommendations, statements, and technical data contained herein are based on tests we believe to be reliable and correct, but accuracy and completeness of said tests are not guaranteed and are not to be construed as a warranty, either expressed or implied. User shall rely on his own information and tests to determine suitability of the product for the intended use and assumes all risks and liability resulting from his use of the product. Seller's and manufacturer's sole responsibility shall be to replace that portion of the product of this manufacturer which proves to be defective. Neither seller nor manufacturer shall be liable to the buyer or any third person for any injury, loss, or damage directly or indirectly resulting from use of, or inability to use, the product. Recommendations or statements other than those contained in a written agreement signed by an officer of the manufacturer shall not be binding upon the manufacturer or seller.
  • 1 02Y040A are compatible with all current forms of spray equipment.
  • 2 Mixed, ready to use VOC