无卤助焊剂JG-614规格表 助焊剂型号Flux typeJG-614外观Appearance无色透明液体比重（250C）Specific gravity(250C)0.795 ±0.01固成份（％）Solid content（％）2.8 ±0.3酸价mg(KOH)/g(FLUX)Acid value12 ±5扩散率（％）Siffusivity（％）＞80沸点（0C）Boiling point（0C）84卤素含量（％）Halogen content（％）0闪火点（0C）Flash point16绝缘阻抗(Ω )Insulation impedance ≥1 × 1011水萃取液电阻率 (Ω cm)Resistivity of water extract(Ω cm) ≥5 × 104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