Aerodur HS 2121 CF Primer
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AkzoNobel Aerospace Coatings Aerodur HS 2121 CF Primer Technical Data Sheet Product Group Epoxy Primers Characteristics Product Aerodur HS 2121 CF Primer is a 3-component, chromate-free, low VOC (High Solids), amine cured epoxy primer for exterior use as refresh primer Developed to meet all Airbus exterior system specifications, including the selective strippable intermediate coat systems. Highly chemical resistant against e.g. hydraulic fluids. Excellent adhesion performance to uncoated metals (e.g. rivets) and aged reactivated coating systems, with and without the OEM prescribed pretreatments. Available in two colors; beige for use in combination with the intermediate coat to see the contrast, and off-white for optimized process-ability when applying a light-colored topcoat or basecoat. Components Base material Curing Solution Activator Aerodur HS 2121 CF Primer Hardener 6040 Activator A9026 AIMS 04-04-031 AIMS 04-04-032 AIMS 04-04-033 AIMS 04-04-034 AIMS 04-04-037 Specifications Qualified Product List Product specifications change constantly, to ensure the most accurate information regarding specifications, please check our online qualified product list (QPL) at aerospace.akzonobel.com/products AkzoNobel Aerospace Coatings 1 East Water Street, Waukegan, IL 60085, USA - Phone (847) 623 4200 Rijksstraatweg 31, 2171 AJ Sassenheim, The Netherlands - Phone (31) 71 308 2905 Email: aerospace@akzonobel.com; Online: aerospace.akzonobel.com

Aerodur HS 2121 CF Primer Surface Conditions Cleaning Clean aged basic primer or epoxy / polyurethane finishes with Solvent Cleaning 98068 or similar, and sand to a uniform and matt surface using grade P320 sanding paper or aluminum oxide non-woven abrasive material, type very fine. Rivets and fasteners should be cleaned with Solvent Cleaning 98068 or similar and activated with aluminum oxide non-woven abrasive material type fine or very fine prior to application of Aerodur HS 2121 CF Primer. Remove dust with e.g. tack rags. Aerodur HS 2121 CF Primer is compatible with OEM approved 10PEG1...

Aerodur HS 2121 CF Primer Pot life Application Recommendations Aerodur HS 2121 CF Primer may be applied in conditions outside the limits shown above. Care must be exercised to ensure a satisfactory result. Please contact your local AkzoNobel Aerospace Coatings representative to determine the appropriate application techniques when environmental conditions fall outside of the recommended range. Nozzle Orifice HVLP / next generation Pressure atomizing (electrostatic) Product Flow not applicable when using gravity / suction feed guns. Dynamic Air Pressure at gun-inlet measured with an open...

Aerodur HS 2121 CF Primer Coats Spray-apply a homogeneous, wet and closed coat in order to achieve a dry film thickness of 15 – 25 µm / 0.6 – 1.0 mil. Use Solvent Cleaning C 28/15 or Solvent Cleaning 98068. The quality of the application of all coatings will be influenced by the spray equipment chosen and the temperature, humidity, and air flow of the paint application area. When applying the product for the first time, it is recommended that test panels be prepared to identify the best equipment settings to be used in optimizing the performance and appearance of the coating. Physical...

Aerodur HS 2121 CF Primer Note Recommended application window for best product performances is 20 – 25ºC and 20 – 60% RH. Table above is provided as an indication for a product applied at the recommended DFT and may vary upon the exact temperature and humidity combination. 38 m 2 per liter ready to apply at 15 µm dry film thickness 1557 ft² per US gallon ready to apply at 0.6 mil dry film thickness Volatile Organic Maximum 350 g/l Maximum 2.95 lb/gal Beige Off-white Aerodur HS 2121 CF Primer Hardener 6040 Activator A9026 Store the product dry and at a temperature between 5 – 35 ºC / 40 – 95...

Aerodur HS 2121 CF Primer Safety Precautions Comply with all local safety, disposal and transportation regulations. Check the Material Safety Data Sheet (MSDS) and label of the individual products carefully before using the products. The MSDS’s are available on request. Issue date: December 2021 (supersedes November 2020) - FOR PROFESSIONAL USE ONLY IMPORTANT NOTE The information in this data sheet is not intended to be exhaustive and is based on the present state of our knowledge and on current laws: any person using the product for any purpose other than that specifically recommended in...