BY SJON WESTRE, PH.D., AND CATHERINE MUNSON, PH.D. ANODIZE 11 MARCH 2021 MIL-A-8625 – Anodic Coatings for Aluminum and Aluminum Alloys, the primary anodizing specification used in the United States, was revised to MIL-PRF-8625 Revision F and is effective as of Nov. 23, 2020. The specification, as well as previous versions is available for download on the […]
Cathy Davis
Fixing Root Cause of Hex Chrome Debate by Changing Legacy Systems
BY TED VENTRESCA, CHEMEON CONVERSION COATINGS 03 MAY 2023 The California Air Resource Board (CARB) has promulgated Airborne Toxic Control Measures (ATCM) for several source categories that are codified in the California Code of Regulations (CCR). Ted Ventresca Over the years, CHEMEON has been a proud member of the Metal Finishing Association of California and has presented […]
IN THE NEWS: Finding an Alternative to Hex to Meet MIL-DTL-5541F Class 1A
IN THE NEWS: Finding an Alternative to Hex to Meet MIL-DTL-5541F Class 1A An aircraft MRO required a non-hexavalent chromate as a replacement for an aluminum treatment to comply with environmental issues. The manufacturer needed to meet REACh compliance on their European airframe and directed the MRO to find a safer alternative that would give […]
CHEMEON eTCP® RTU (Ready to Use) qualifies for Military Detail Specification MIL-DTL-81706 and is added to the Qualified Products List (QPL)
Minden, NV – December 10, 2020 – CHEMEON® Surface Technology’s patented CHEMEON eTCP® RTU (Ready to Use) conversion coating and anodic seal has completed formal evaluation by Naval Air Warfare Center Aircraft Division and has met the qualification requirements for MIL-DTL-81706 Type II, Class 1A and 3, Form III, Methods A, B and C for […]
Correlation Between Electrochemical Behavior and Neutral Salt Fog Corrosion on TCP Coated AA2024
By Dr. Catherine Munson and Dr. Sjon Westre Chemeon Surface Technology 1. Introduction and background Extensive salt fog testing is required (up to 1,000 hr) to predict how well a coating will protect a basis metal in real-world applications. Electrochemical testing generally takes only a few hours and could predict how well a coating will […]