Aluminum Anodizing Type 3 Hardcoat

Hard Coat Anodizing: Type III

Hard Coat Anodizing, Type III, is an electrochemical process that creates an aluminum oxide film by rapidly controlling the oxidation of an aluminum surface. Hard Coat Anodizing utilizes sulfuric acid, low bath temperatures, and constant current pulsating rectification to achieve a very hard coating (60-70 Rc). Hard Coat Anodizing is generally used for applications that need a corrosive, abrasive, and wear resistant coating. Other advantages of Hard Coat Anodizing include: improved paint adhesion; improved adhesive durability; excellent lubricity; resistance to atmospheric and marine attacks. Hard Coat Anodizing is also available with PTFE (Teflon®), and if required, the hard coat can be dyed black. Parts can be processed with multiple finishes, such as Hard Coat/Chem Film or Hard Coat/Electroless Nickel

Chem Processing Inc. Type III Anodizing Plating Capabilities:

• Typical Formed Thickness is 0.0010 to 0.0040 in.
• Available with PTFE (Teflon®)
• Rack Anodizing
• Available Masking for Selective Surface Anodizing
• Salt Spray Corrosion Test (minimum 336 hours of salt spray resistance)
• Thickness Analysis, Coating Weight
• Taber Abrasion Test
• Dielectric Testing

Applicable Specifications:

Typical Type III Applications:

• Aerospace/Astrospace/Aviation: hard coat anodizing is applied for durability and longevity.
• Firearms: hard coat anodizing provides corrosion and wear resistance.
• Machinery: hard coat anodizing offers excellent abrasion resistance for high-speed machine parts.
• Electronics: hard coat anodizing provides uniform emissivity and a high dielectric.
• Marine/Naval: hard coat anodizing yields long-lasting corrosion resistance in salt-water.
• Oil and Petrochemical: hard coat anodizing gives excellent corrosion and wear resistance.
• Ordnance: hard coat anodizing provides corrosion protection, and abrasion and wear resistance.
• Cookware: hard coat anodizing is applied for its corrosion protection and non-stick properties.

Chem Processing Inc. offers hard coat anodizing services to Illinois, Wisconsin, Iowa, the Midwest and beyond. CPI is strategically located by highway routes to Chicago, Milwaukee, Madison, St. Louis, and Minneapolis. The CPI facility is minutes from Rockford Chicago International Airport, a major Midwestern air freight hub, enabling efficient door-to-door delivery across the United States or across the globe.