3M™ Surface Pre-Treatment AC-131

• Excellent for preparing aluminium, nickel, and titanium alloy parts subsequently finished with epoxy-based and polyurethane-based organic coatings.
• Helps reduces labor time and water usage; no scrubbing or rinsing required
• Superior adhesion of organic coatings to metal substrates.
• Eliminates chromates from surface treatment process.
• Reduces hazardous materials and waste compared to other conversion coating products and preparation methods.
• Proven to significantly reduce Rivet Rash.
• Two-part surface pre-treatment, water-based, non-chromate, blue, used prior to painting.

AC-131 is a sol-gel surface preparation that promotes enhanced adhesion as a result of the chemical interaction at the metallic interface on one side of the pre-treatment coating and the organic coating on the other side.

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