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HomeShop SuppliesPrimerCorrosion Resistant Epoxy PrimerSherwin-Williams® CM0483660 Green Corrosion Protective Epoxy Primer - Gallon Can
Sherwin-Williams® CM0483660 Green Corrosion Protective Epoxy Primer - Gallon Can
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Sherwin-Williams® CM0483660 Green Corrosion Protective Epoxy Primer - Gallon Can

Part#: CM0483660GA
Our Price (Each): $183.34
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1 - 5$183.34 ea.
6 - 11$178.58 ea.
12 - 23$174.06 ea.
24+$169.76 ea.

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$15.00Add the Manufacturer's Certification:
  • Please allow for an extra 7-10 days for International orders to process, especially orders including HazMat items, or items that are not in stock in our NY Warehouse.
  • International Orders Ship Complete: You get one package shipped which reduces added taxes and duties that may be incurred from multiple shipments.
  • (SDS) Saftey Data Sheet Information
    Code: UN1263 | Class: 3 | Group: II - Details |
    (SDS) Saftey Data Sheet: MSDS1
    CA Prop 65 WarningWarning: This product may contain a chemical known by the State of California to cause health issues. Details found here
    CM0483660 Corrosion Protective Epoxy Primer, Green - a high performance, two-component, green corrosion inhibitive epoxy primer. This high performance epoxy primer is intended for use on all types of aircraft. It yields films that are very corrosion, chemical, and impact resistant.


  • US Military Specification: MIL-P-23377F
  • Shelf Life

    Shelf Life is applicable only for materials stored in unopened and undamaged original factory filled containers.

    • Minimum Storage Temp: 40ºF / 4ºC
    • Maximum Storage Temp: 100ºF / 37ºC
    • CM0483660: 2 years CM0110588 7 years
    • CM0120888: 2 years CM0702901 7 years
    • Aerosol Touch–up Kits: 1 year (Cool, Dry Storage Required.)

    Surface Preparation

    To insure proper primer adhesion to the substrate, all contaminates must be removed. Depending on the type of substrate to be prepared, different methods should be used. There are a variety of processes to prepare these substrates for primer and painting.

    Sherwin-Williams primers are designed to go over various substrate treatments. Before painting, please refer to the recommendations for cleaning, application, and preparation to the manufacturer of the treatment.

    If a wash primer is needed, please refer to the Product Data Sheet for CM0484684 Wash Primer.

    Mixing Instructions

    Shake primer component for 15 minutes before admixing.

    Admix by Volume:

      1 Part Epoxy Primer CM0483660
      1 Part Epoxy Adduct CM0120888

    Add the Epoxy Adduct into the Primer Component.

    For optimum application performance, stir well during a 15-minute induction time.

    If a lower viscosity is needed, use up to 1 - 1-1/2 quart per 2-gallon kit of CM0110588 Slow Reducer, CM0702901 Fast Reducer or a blend of both products depending on your shop conditions.

    It is recommended to filter strain admixed and reduced primer before placing material in containers for spraying.


    This product can be applied using conventional air spray, HVLP, Graco electrostatic airspray, or air assisted airless. Please consult your Sherwin-Williams representative for specific equipment settings.

    Electrostatic users: Ensure that the aircraft is properly grounded for potential static buildup.

    Equipment settings:
    Conventional air spray:

      Air cap atomizing pressure: 50-60 psi (3.45-4.15 bar)
      Pot pressure: 10-12 psi (0.69 – 0.83 bar) using a 60’ fluid hose (3/8” diameter)
      Delivery Rate: 8-10 fluid oz (236-295 mL) per minute

    Best spray application results are obtained by applying one light continuous closed film cross coat.

    Recommended dry film thickness is 0.6 – 0.9 mils (15-23 microns).

    Surfacer primer can be applied after a two-hour cure to allow time for solvent flash-off. Please refer to the Product Data Sheets for Epoxy Surfacer (CM0560563, CM0480920, CM0482300, CM0487600) or CM0481810 Urethane Surfacer for more details.

    NOTE: Application of these product systems requires recommended temperature / humidity conditions and film thickness ranges. The material, hangar, and aircraft skin temperature should be no lower than 55ºF / 13ºC before, during, and after application.

    Drying Schedule

    Dry times are based on the dry film thickness of 0.6-0.9 mils (15-23 microns).

    Air Dry Times (75°F / 25°C, 50% RH)
    To apply topcoat: 2-3 Hours* min., 72 Hours max.

    Force Dry (140ºF /60ºC, 45% RH):
    To apply topcoat: 1 Hour min.

    * For maximum performance of a urethane topcoat appearance, allow primer to cure for a minimum of 12 hours before topcoating.

    If an intermediate primer or topcoat is not applied within 72 hours of primer application, light scuff sanding will be required for good intercoat adhesion.

    NOTE: Lower temperatures, heavy film thickness, improper activator range selection and poor air movement will extend the dry time.

    Equipment Cleanup

    Use clean Ketone–type solvents such as CM0110308 MEK. Do not allow material to cure inside equipment.

    Product Details
    Country of Origin: USA
    UOM : Each
    Size : Gallon
    Color Family : Green
    Ship Dimensions : 8 x 8 x 8 inches
    Shipping Weight : 11.82 pounds
    Manufacturer P/N : CM0483660
    ECCN : EAR99
    Schedule B Code : 3208.90.0000
    Military Standard : MIL-P-23377F
    Disclaimer: While reasonable efforts have been made to ensure all information on this website is accurate, and Styles Logistics, Inc. do not assume responsibility for any errors or omissions. All specifications, illustrations, data and prices are subject to change without notice.
  • A popular, proven product that has been applied extensively at OEMs and maintenance facilities for decades.
  • Designed to meet military specification MIL-P-23377F.
  • Excellent corrosion and chemical resistance.
  • Designed to work with Sherwin-Williams sanding surfacers and topcoat systems.
  • Specifications
    Coating Properties
    By weight
    By volume

    61.6 ± 2.0%
    40.7 ± 2.1%
    Wt./Gal. 10.9 ± 0.2 lbs.
    Sp. Gravity 1.31 ± 0.02
    Color Green
    Admixed VOC (Mixed 1:1)
    U.S. Exempt Solvent
    Non-Exempt Solvent

    <5.0 lbs./gal. (600 g/L)
    <5.0 lbs./gal. (600 g/L)
    Useable Pot Life @ 77°F/25°C 6-8 Hours
    Theoretical Coverage
    Per dry mil
    Per 25 microns

    466 ft.2/gal.
    11.4 m2/L
    Dry Film Weight
    Per dry mil
    Per 25 microns

    0.0087 lbs./ft.2
    42.7 g/m2
    Viscosity (Sprayable)
    Gardner Signature #2 Zahn Cup
    ISO 2431 3mm Cup–Sheen

    16-18 seconds
    45-65 seconds
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