Product Description
● the use of anodized aluminum-magnesium alloy purpose: beautiful, wear resistance, voltage, temperature, corrosion resistance, a metal conductive / thermal characteristics, a ceramic high temperature / corrosion and insulation properties.
● factors that affect the quality of anodized coating: aluminum impurities, mechanical processing, current, electrolyte, and other.
● anodized film detection method: film thickness, eddy-current-contact detection, anti-voltage testing, micro-hardness testing, salt spray test, thermal cracking test, nitric acid titration test, surface roughness measurements as color analysis.
● anodizing process steps: degreasing → washing → washing → → to anodic oxide layer trough → sealing → washing → drying.
● anode substandard goods seized items: Anodizing Type, Materials, Roughness, Respective / Average, Thickness (T0.1 ~ 0.3mm <10 ~ 30 strip > or T0.3 ~ 0.5mm <30 ~ 50 strip>), Sealing, Color , Breakdown Voltage, Reanodized resume.
● anodized type species: staining anode: Glossy / matte sand, black / his color, hair color sclerosis and other hard & Yang: sulfuric acid (Sulfuric-acid Anodizing / gray and black), oxalic acid (Oxalic-acid Anodizing / gold ), chromic acid (Ahromic-acid Anodizing), phosphate (Phosphoric-acid Anodizing) anode, electroplating tin, zinc, chromium, nickel, electrolytic polishing (EP) and so on.
● anodized standards: MIL-A-8625F TypeIII class 2:50 + /-5um.
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