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  • Two common forms of vacuum valve connection
    Two common forms of vacuum valve connection Looper flange connection This is the most frequently used valve connection form. By combination of surface shape can be divided into the following categories: 1) Smooth formula: valves for pressure is not  high. Processing mor...

  • Vacuum coating equipment ABS plastic plating common process
    Vacuum coating equipment ABS plastic plating common process Vacuum coating equipment ABS plastic plating process can be divided into three parts, this is the pre-treatment process, chemical plating and electroplating processes. Each section contains a number of processes or procedures. ...

  • Coating process practical mobile phone housing
    Coating process practical mobile phone housing 1, paint primer and paint plastic parts and metals, must be used at low temperatures (typically 60 ~ 80 ℃) curable coatings. Topcoat materials commonly used with polyurethane (PU) and acrylic resin paint. When you need to coat the surface w...

  • The formation of the current performance of vacuum coating
    The formation of the current performance of vacuum coating Firstly, the powerful current of the vacuum coating tungsten source) heating, vacuum coating to form on. Vacuum coating and then hung on the aluminum or aluminum melting tungsten. Vacuum coating aluminum is evaporated, and scatt...