The purpose of this trial is to find a replacement chemistry and/or process to replace the current Genesolve 2004 used by Electronics Manufacturer. All chemistries will be tested in a beaker with stir-bar agitation, and all chemistries except the Asashiklin will be tested in the Crest 40kHz Ultrasonic unit. After drying was complete, the parts were analyzed under a microscope for remaining flux, residual cleaning chemistry or detrimental effects to the parts. All parts were then sealed and shipped to David Norton of Electronics Manufacturer for further evaluation.
SUBSTRATE MATERIAL: Electronic Components
CONTAMINANTS: RMA flux CONTAMINATING PROCESS USED: Received contaminated from Electronics Manufacturer
Trial Results:
Although the ultrasonics removed all of the flux for all four chemistries, pitting was noticed on the part's surface. The other three aqueous chemistries did not fare so well under stir-bar agitation.
Product
Concentration
Temperature
Effective
Detergent 8
4
68
No
Armakleen E 2002
4
68
Yes
Daraclean 282 GF
4
68
No
Amberclean SC 11
4
68
No
AK 225
100
68
No
Success Rating:
Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
Conclusion:
The Armakleen E-2002 did an excellent job of removing all flux with just stir-bar agitation in 15 minutes (appeared to perform as good if not better than Asahiklin).
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