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      台湾产千住XVDEVIOS官方下载免费版
      产品型号：M705-S101HF-S4
      产品品牌：千住金属
      13543272580
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      台湾产千住XVDEVIOS官方下载免费版
      台湾产千住XVDEVIOS官方下载免费版 ECO SOLDER PASTE M705-S101HF-S4
      1.Scope
      This specification covers the solder paste,
      ECO SOLDER PASTE M705-S101-S4, using lead-free solder alloy, used for
      wiring connection and so on, of electrical and electronic parts.
      2.Standard
      ２.1Chemical composition of solder alloy（Test method：STM-9）
      Composition and impurities are prescribed as following tables
      Composition ( mass% )
      Ａｇ
      Ｃｕ
      Ｓｎ
      3.0 ± 0.1
      0.50 ± 0.05
      Balance
      2.2Performance and standard
      Items
      Performance                 Standard
      Test Method
      Appearance
      It shall not have separated flux,and shall be in a smooth pastestate.
      STM-1
       
      Flux content (mass%)
      11.5 ± 1.0
      STM-5
      Viscosity of solderpaste (Pa s)
      190 ± 30
      STM-7-8
      Grain size of powder
      （um）
      36 ∼25
      STM-12-4
      Copper plate corrosion test
      Shall be passed
      STM-28-1
      Insulation resistance
      Ordinary state 1 × 10 or more After humidifying 1 × 10 or more
      STM-30-8
      Solution resistance
      100 or more
      STM-32
      Reflow property
      No unmelted solder nor black product shall be permissibl
      STM-34
       

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