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Halogen-free
The NS-316 no-clean flux series was developed to eliminate the need for washing after the application of the solder. It is a non-halide post flux for printed circuit boards.
The NS-316 series was developed to compensate for the shortcomings of conventional low residual dross type flux and it is compatible with spray-type fluxer.
Bearing in mind the restrictions on CFC use, NS-316 really is your best solution for no-clean flux. |
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Characteristics
 The
formation and manifestation of balling, bridging and icicles that are the
downfall of so many solders is not a feature of the NS-316 series.
It
is possible for boards to undergo checking after soldering without a preliminary
wash.
The
solder does not interfere with the electrical contacts contained in connectors
or switches.
There
is very little flux residue deposited onto the circuit board.
Reduced
maintenance costs are a benefit of using NS-316 as youﾁll find that the flux
leaves very little dirt or wear and tear on machinery. |
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Halogen-free
NS-334 is an alcohol-based no-clean solder flux. As the flux does not contain halogen, the ratio of solid content is low, which translates into very little residual dross. Moreover, as NS-334 does not contain any water, there is no dispersion whatsoever. Soldering with NS-334 leaves a brilliant varnish-like hue. |
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Characteristic
Can
be used as a dip, spray or foam.
Ideal
for use with single-sided or double sided circuit boards (with or without
solder coating).
Perfect
for tinning and coating covered or stranded wires and for solder coating
printed circuit boards.
Does
not contain any rosin or resin.
Using
NS-334 can have a positive impact on your cleaning machinery, solvent and
staffing costs. |
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| Conventional Properties |
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| Item |
NS-316F-7 |
NS-316F-8 |
NS-334 |
Test Method
JIS-Z-3197 |
| Classification |
Plastic Type Low Residue Flux |
Organic Acid
Type Low
Residue Flux |
| Color Tone |
Pale Yellow
Transparent |
Pale Yellow
Transparent |
Light Brown |
Observations |
Solid Content
WT% |
6 |
3 |
4.7 |
Dry in 15 minutes
at
145 |
| Dryness |
Passed |
Passed |
Passed |
6.2 |
Specific Gravity
(20) |
0.801 |
0.800 |
0.800 |
6.4 |
Halogen Content
WT% |
0 |
0 |
0 |
6.5 |
Copper Plate
Corrosion Test |
Passed |
Passed |
Passed |
6.6.1 |
Copper Mirror
Corrosion Test |
Passed |
Passed |
Passed |
6.6.2 |
Insulation
Resistance
Value
( ) |
Initial Value |
≧1x1013 |
≧1x1013 |
≧1x1013 |
6.8 |
After added
humidity |
≧1x1012 |
≧1x1011 |
≧1x1013 |
Electromigration
Test
()
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Initial Value |
≧1x1013 |
≧1x1013 |
≧1x1013 |
6.9 |
After added
humidity |
≧1x1012 |
≧1x1011 |
≧1x1013 |
| Observations |
No
Corrosion |
No
Corrosion |
No Corrosion |
Spreading Test
% |
≧80 |
≧80 |
≧80 |
6.10 |
Cleanliness
 gNaCl/cm2 |
1.7 |
1.6 |
- |
MIL-P28809 4.8.7 |
| pH |
3.8 |
3.8 |
4.3 |
pH meter |
Acid Number
mgKOH/g |
21 |
17 |
32 |
JIS-K-5902 5.4 |
| Flash Point |
12 |
12 |
12 |
Sealed type |
| Special Diluents |
NS-700 |
NS-770 |
NS-700 |
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| Notes |
Very reliable;
can be used as a foam. Suitable for Single Wave |
Single Wave
use; can be used for a static tank |
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| Fluxes |
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| Color tones may vary according to the delivery lot. There are no fluctuations in quality. |
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Precautions for Use
When using MS-316 and/or NS-334 please be sure to control the concentration of the flux.
(This is not necessary in the case of a spray-type flux) |
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| Packaging units: a 14kg can |
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Low Residue No-Clean Flux |
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