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BONDERITE® M-CR 407 is a highly effective protective coating especially recommended for aluminum surfaces. BONDERITE® M-CR 407 ranges in color from iridescent light blue-green to dark green.
Physical State: Liquid
Color: Dark red
Bonderite M-CR 407: 3.5%─7.5% (by volume)
Titration: 7─15 points (7─15 ml)
Temperature: 100°F─120°F
Immersion time: 30 seconds─3 minutes
Spray time: 15─60 seconds
Primary Chemistry:
Phosphoric acid and chromic acid
Conor Robertson, Technical Specialist
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BONDERITE® M-CR 407 is a specially formulated conversion coating from Henkel recommended for the pre-treatment of aluminum metal surfaces, providing a color ranging from iridescent light blue-green to dark green. It is specially engineered to optimize the surface properties of metal substrates, enhancing the adhesion of paints and coatings and preventing corrosion. BONDERITE® M-CR 407 can be applied using spray, immersion, or flow coat processing and offers an operating temperature of 100°F to 120°F.
Corrosion of aluminum surfaces
Poor adhesion of paints or adhesives to metal surfaces
Metal conversion coating for aluminum
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