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5-3 Technological Characteristics of Resin Flux
5-3 Technological Characteristics Of Resin Flux
| Type |
R Pure-resin flux |
RMA Medium active |
RA Active resin flux |
S-R4 Water soluble |
| Halide Content （%） | White or yellow color doesn't appear when it is added to Ag3CRO4 test paper | ＜0.1 | 0.1-0.5 | 0.1-0.8 |
| Resistivity in Water Extraction-liquid （Ω.CM） | ≥1×105 | ≥1×105 | ≥5×1O4 | ≥5×1O4 |
| Insulation Resistance （Ω） | ≥1×1012 | ≥1×1011 | ≥1×1010 | ≥1×1010 |
| Elongation（%） | ≥75 | ≥80 | ≥85 | ≥90 |
| Cooper Plate Corrosion Test | NO Corrosion | Corrosion ability is less than 50% | - | Water washable across the requirements |
