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Amerway #850 VOC Free Flux Technical Data Bulletin
Technical Data Sheet
| Description: |
| Amerway 850 VOC Free soldering flux is a non-halide, rosin free, no-residue
flux specifically developed for wave soldering, surface mount, mixed technology and
through-hole electronic assembly. Amerway 850 VOC Free Flux is a water based, nonflammable
formulation eliminating special storage requirements and reducing VOC’s
from plant emissions dramatically. |
| Benefits: |
|
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- VOC free water based formulation |
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- Excellent surface wetting |
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- No residue formulation eliminates cleaning |
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- Increased activity |
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- Conforms to Bellcore Specification TR-NWT-000078, Issue 3, Dec. 1991 |
| Physical Properties: |
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| Specific Gravity @ 25 C |
|
1.02 + 0.01 |
|
| Pounds / Gallon |
|
8.50 + 0.2 |
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| Acid Value |
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20.0 + 2.0 |
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| Total Solids |
|
2.1 + 0.2 |
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| Flash Point |
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None |
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Silver Chromate Paper Test |
|
Pass |
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*Copper Mirror Test |
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Pass |
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Freeze / Thaw Test |
|
Pass |
Bellcore Specification Tests TR-NWT-000078:
Surface Insulation Resistance: |
| Test Pattern: |
Standard Bellcore test pattern, 0.025 inch wide lines,
0.050 inch spacing. |
| Environment: |
35 C, 90% relative humidity |
| Bias Voltage: |
45-50 volts D.C. |
| Test Voltage: |
100 volts D.C. |
| Boards |
Initial Reading |
Final Reading |
| Control |
8.15 x 10^12 |
9.45 x 10^12 |
| Pattern Face Up |
2.25 x 10^12 |
2.05 x 10^12 |
| Pattern Face Down |
2.45 x 10^12 |
8.05 x 10^12 |
| Electromigration Resistance Test: |
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| Test Pattern: |
IPC-B-25 test pattern, 0.0125 inch space,
0.0125 inch wide lines. |
| Environment: |
85 C, 85% relative humidity |
| Bias Voltage: |
10 volts D.C. |
| Test Voltage: |
100 volts D.C. |
| Conditioning Potential: |
0 |
| Initial Reading: |
96 hours |
| Final Reading: |
500 hours |
| Boards |
Initial Reading |
Final Reading |
| Control |
4.25 x 10^11 |
4.20 x 10^11 |
| Pattern Face Up |
7.25 x 10^11 |
3.20 x 10^12 |
| Pattern Face Down |
5.85 x 10^11 |
9.55 x 10^12 |
Visual Examination: No evidence of any electromigration when viewed
at 10 X magnification.
* Modified IPC/Bellcore Test Method:
Passes the copper mirror test when the same flux is formulated with isopropyl
alcohol as the solids from the water based formulation are reconstituted with
isopropyl alcohol.
| Process Recommendations: |
Amerway 850 VOC Free Soldering Flux can be applied by spray or wave
systems. The optimum preheat temperature for most circuit board assemblies is
200-240 F (93-115 C). The conveyor speed and preheat should be adjusted to ensure
complete water removal before contact with the solder wave. Because the Amerway 850
VOC Free flux is water based, it does not require frequent acid value monitoring. If
thinning is required, the addition of deionized water is all that is necessary. The Amerway
850 VOC Free flux may freeze when exposed to temperatures below 32 F. If the flux
becomes frozen, bring to room temperature until thawed and agitate. This material is not
affected by freezing. |
| Safety: |
| Amerway 850 VOC Free Soldering Flux is a non-flammable material. Standard
precautions should be observed when handling this product. |
| Packaging: |
Amerway 850 VOC Free Soldering Flux is available in 1 gallon containers, 5
gallon containers and 55 gallon drums. |
| Disclaimer: |
The information contained herein is based on data considered accurate and is
intended for use by persons having technical skills, at their own discretion and risk.
Since conditions of use are outside of Amerway’s control, we can assume no liability for
results obtained or damages incurred through the application or the data presented, nor
can we assure customers of liability. |
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