Residue-Free, No-Clean Fluxes

Amerway 800 Residue Free, No-Clean Flux -- Amerway 800 Residue Free, No-Clean Flux is a specially formulated low solids flux free of any halides or rosin. This flux was designed for soldering high quality electronic circuit boards, such as through-hole, mixed technology, and surface mount assemblies while eliminating the need of a post cleaning operation. Amerway 800 Residue Free, No-Clean Flux features enhanced foaming properties as well as increased activity and low odor.

Application:  Amerway 800 Residue Free, No Clean Flux may be applied by foam, spray or wave process.  The topside board preheat temperature recommendation is 180-220F.  For obtaining the best soldering results use the following guidelines:

1.  Maintain a consistent foam-head by narrowing of the flux chimney or the use of dual flux stones.

2.  Add fresh flux to maintain proper flux level.

3.  Replace the flux daily unless a sealed, self contained system is available.

4.  Regularly clean the fluxing equipment.  Never leave foam stone in flux when pressure is not applied. 

5.  Clean fluxing stones in flux thinner.

6.  When foaming fluxing, flux can be maintained by monitoring the specific gravity, however, control by checking acid number determination is recommended.

7.  Add flux thinner when needed.

Benefits:

• Excellent surface wetting.
• Eliminates the need for cleaning soldered boards.
• Increased activity.
• May be conformal coated without post-cleaning.
• Conforms to Bellcore Specification TR-NWT-000078, Issue 3, December 1991.
• Conforms to Joint Industry Standard ANSI/JStd.-004, Type M/LO.

Physical Properties:

Specific Gravity                               .8179
Pounds/ Gallon                                6.81
Color                                         Water white and clear
Halide Content                                 None
Acid Value                                     22.0 + 2.5
Fluoride Test                                    Passed
Silver Chromate Paper                     Passed
Solids Content                                 2.0 + 0.2
Flash Point                                       58 F  TCC
Copper Mirror Corrosion Test         Passed
Test Surface Insulation Resistance to IPC-SF-818
   7 days @ 85 C / 85 % RH
   Minimum Requirement                  1.0 X 108  Ohms
   Uncleaned                                    4.5 X 1012 Ohms
   Cleaned in DI water @ 150 F       4.7 X 1012 Ohms
Test to Bellcore Specification TR-NWT 000078
   Test Pattern: Standard Bellcore Test pattern, 0.025 in. wide 
   lines, 0.050 in spacing
   Environment: 35 C, 90% Relative Humidity
   Bias Voltage: 45-50 volts DC
   Test Voltage: 100 volts DC
Boards                  Initial Reading           Final Reading
Control                  8.5 X 1012                  9.67 X 1012
Pattern-ups            7.66 X 1011                3.27 X 1012
Pattern-down         6.92 X 1012                3.90 X 1012
Electromigration Resistance Test
Test pattern: IPC-B-25 test patterns, 0.0125 in. space and 0.0125 in wide lines.
Environment: 85 C, 85% RH
Bias Voltage: 10 Volts DC
Test Voltage: 100 Volts DC
Conditioning Potential: 0
Initial Reading: 96 hours conditioning
Final Reading: 500 hours

Boards                 Initial Reading           Final Reading
Control                 5.83 X 1011              5.85 X 1011
Pattern-ups           5.25 X 1011              7.66 X 1011
Pattern-down        6.81 X 1011              7.75 X 1011

Safety:  Flammable liquids should be stored in a dry, well ventilated area away from open flames, sparks or direct heat.  As with all Amerway products, a Material Safety Data Sheet is available.