Surface shading aluminum causes and Solutions - News - Zhejiang Guoyao Aluminum Co., Ltd
Product Category
  • Aluminum Profiles
  • Aluminum Windows & Doors
  • Heat Sink Aluminum Profiles
  • Aluminum Sunrooms
  • LED Frames
  • Aluminum Enclosures
  • Aluminum Hardware Machining
  • Other Aluminum Products
  • Production and Packing
  • Contact Us

    Zhejiang Guoyao Aluminium Co., Ltd.

    Address: China Yuantong Haiyan County in ZhejiangIndustrial Zone

    Telephone.86 0573 86822111

    Fax:86 0573 86822118

    Mobile phone.13967321167

    Business E-mail: sales@guoyao-alu.com

    E-mail: info@guoyao-alu.com

    Contact person: Mr. Zhang

    Your current location: Home > News
    Surface shading aluminum causes and Solutions

    Have read:1187

    The main reason analysis

    Because the press outlet air amount is not enough,resulting in aluminum contact swing bed under higher temperature, cooling speed contact site different from other locations, a coarse Mg2Si phase precipitation, in the anodic oxidation treatment after the site into the dark grey.

    The solution

    1, strengthen the cooling intensity, avoid the swing bedprofiles of the interval is too small, ensure the temperature gradient cooling;

    2, conditional factory should adopt methods of spraywater and air combined, can completely eliminate dark spots.

    (Editor: cocoa)

    在线客服
  • Customer service
    My status
  • Customer service
    My status