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BOW
ELECTRONIC SOLDER
TECHNICAL BULLETIN
BOW # 785
ROSIN MILDLY ACTIVATED FLUX
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BOW mildly activated rosin flux is
formulated to meet the requirements of high speed soldering
operations with activation close to that of a fully
activated rosin flux. This flux meets the requirements
of type RMA per MIL-F-14256. It also is classified as
"ROM1" in J-STD-004.
The unique activator and solvent system keeps the activator from separation after a prolonged period of foaming and waving. The flux performance will remain stable throughout the soldering process. Simply adding the appropriate thinner to replace any solvent loss due to evaporation can extend flux life.
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- Very bright solder joints
- High SIR Value
- Minimal defects
- Non-corrosive
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| BOW #785 mildly activated rosin flux can be applied by waving, brushing, dipping and foaming. This mildly activated rosin flux exhibits superior foaming characteristics with a uniform stable foam head. It is excellent for tinning stranded wire, component leads and attaching lead frames to hybid circuit assemblies. Should the flux become viscous due to prolonged aeration or waving, simply add Bow #1000 Thinner to maintain the proper specific gravity and fluxing activity.
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| The residue from this flux has high resistance value even at temperatures as high as 160ÕF. It is non-hygroscopic, non-corrosive and highly insulated; thus it need not be removed. |
| Color
and Appearance |
Amber Liquid |
| Solids Content (% by wt.) |
35.0 |
| Color & Transparency |
#13 Gardner |
| Flow & Consistency |
Pass |
| Water Extract Resistivity |
135,000 ohm-cm |
| Silver Chromate Paper Test |
Pass |
| Copper Mirror Test |
Pass |
| Spread Factor |
87 |
| BOW #785 flux is packaged in one-gallon plastic jugs, five-gallon plastic pails and 55-gallon plastic drums. It should be stored in a cool, dry place away from ignition sources.
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Lead Free
Electronic
