无铅助焊剂JG-901规格表助焊剂型号Flux typeJG-901外观Appearance无色透明液体比重（250C）Specific gravity(250C)0.803 ±0.01固成份（％）Solid content（％）3.5 ±0.3酸价mg(KOH)/g(FLUX)Acid value15 ±5扩散率（％）Siffusivity（％）＞80沸点（0C）Boiling point（0C）85卤素含量（％）Halogen content（％）＜0.1闪火点（0C）Flash point16绝缘阻抗(Ω )Insulation impedance ≥1 × 1012水萃取液电阻率 (Ω cm)Resistivity of water extract(Ω cm) ≥1 × 105铜镜测试Copper mirror testPass焊点色度Chrominance of solder joint光亮型建议配用稀释剂Recommended solvent dilutionS-8200 助焊剂JG-901建议参数表 欢迎您的来电 价格面议
