Conversion Coating

Standard Alodine, Yellow and Clear,
RoHS Compliant

Certifications

Definitions

Chemical Conversion Coating removes naturally formed oxides and converts the aluminum surface to a barrier layer that impedes corrosion and promotes adhesion. Pilkington utilizes 12-stage immersion tank-line systems with carefully controlled chemistry and rinse water quality. In-house salt-spray testing confirms our coatings meet and exceed MIL standards. Non-chrome aluminum conversion coatings are now available that meet strict RoHS requirements.

Photos / Video

Our Process

By meeting rigorous 3rd party requirements, we maintain our Nadcap and ISO certifications. Nadcap is a method used by the aerospace industry to ensure that process quality requirements are communicated, understood, and carried out by all suppliers. While this certification is technically specific to aerospace work, all of our customers’ products are subjected to stringent and refined process controls as a result.

Size Capabilities

NOTE: Conversion Coating may be applied manually on parts larger than the listed tank sizes.

Process Tank Size Nadcap Certified
Conversion Coating 14′ × 6′ × 4′ No
Certified Conversion Coating 7′ × 4′ × 3′ Yes
RoHS Compliant Conversion Coating 7′ × 4′ × 3′ No

Applicable Specifications

Specification Title Customer
BAC5719 Chemical Conversion Coatings for Aluminum and Aluminum Alloys Boeing
CP3210 General Purpose Coating – Chemical Conversion Coatings for Aluminum and Aluminum Alloys – Commercial Use Williams Intl.
CP3212 Low Electrical Resistance Coating – Chemical Conversion Coatings for Aluminum and Aluminum Alloys – Commercial Use Williams Intl.
MIL-C-5541 Chemical Conversion Coatings on Aluminum and Aluminum Alloys Industry Standard
MIL-DTL-5541 Detail Specification Chemical Conversion Coatings on Aluminum and Aluminum Alloys Industry Standard
P3210 General Purpose Coating – Chemical Conversion Coatings for Aluminum and Aluminum Alloys Williams Intl.
P3212 Low Electrical Resistance Coating – Chemical Conversion Coatings for Aluminum and Aluminum Alloys Williams Intl.
P3214 General Purpose Non-hexavalent Chromium Coating – Chemical Conversion Coatings for Aluminum and Aluminum Alloys Williams Intl.
P3216 Low Electrical Resistance Non-hexavalent Chromium Coating – Chemical Conversion Coatings for Aluminum and Aluminum Alloys Williams Intl.