Project #2
To find an alternative to NPB for removing solder flux from electronic devices.
08/06/2002
24 x24 inches
Medium
Soldering
wire wrap, stamping, labeling
2-4
Great Lakes Chemical Corporation
N Propyl Bromide
Hypersolve NPB
Health Hazard, produces toxic waste
Meeting military specs
No relation
Used Immediately
Panels are put in a test machine to see if the pass
Two trials were conducted on coupons and the final trial was performed on supplied parts. Several products were found to successful remove the flux from the circuit boards. These products were two aqueous products, two semi-aqueous products and one petroleum distillate. Upon client analysis, Ionox HC 2 a semi-aqueous alcohol was selected. Client has contacted vendor and has attempted pilot scale testing of cleaning process.