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Resistant Clear Temporary Protective Coating |
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No REZ® 2-COS
:Battery Fabrication Flux- Halide Free COS Soldering Flux |
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- Specially developed to enhance the
quality of Battery Fusion
- Formulated to perform cleaning &
joining of lugs & straps in most cast-on strap
operations
- Solvent based flux contains no halides
such as chlorides or heavy metals (Work
environment safe) which does not harshly coorde assembly
equipment.
- General Chemical's soldering
fluxes are in use throughout the world for more than
25 years
- Wide window of operation
- low fuming
- Non Flammable
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APPLICATION: |
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solvent -based flux Super
concentrate, the No Rez soldering compound-No Rez ®
2-cos is used for joining lead alloys together or for
fusing vdarious metals with tin/lead solder. It has
found excellent acceptance in the battery assembly field
because of its non-corrosive tendencies once the fusion
operation is complete.
No REZ®
2-COS battery fabrication flux is designed to work for
high volume cast-on strap manufacturing. No REZ® 2-COS
solvent-based flux contains no chlorides or heavy metals
to effect long-term performance, and is environmentally
safe. It offers wide window of operation.
Whether running at low temperatures due to straps cracking
or high temperatures to accommodate large mass plates,
2-cos provides consistently strong bonds.
No REZ® 2-COS provides consistent metal
Joining for all lead battery alloys and is especially
effective in joining dissimilar alloys as in cast-on-strap
manufacturing. No REZ® 2-COS low fuming or smoking,
leaves minimal residues after fusing, and is not highly
corrosive. It solder bond is porosity-free enhancing
soldered quality.
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Mike, |
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I receive
the results from the cross-sectioned straps today, the
results confirm that the flux produces straps with
minimum gas voids & in fact it has produced the best
straps of any of the fluxes I have tried to date. The
lug to strap fusion is poor compared existing flux
production, this is more to do with lug preparation than
your flux. Bottom line (one of the world's largest
battery manufacturer) needs to do further work on
the COS operation & pre-conditioning of the lug surface
& once this work has been completed I would be
interested in pursuing your flux further.
Thanks |
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General Chemical's fluxes
are being used at world's largest to any size battery
plants for over two decades. It is being shipped to
Jordan, Austria. Brazil, Bulgaria ,China, Chile, United
Kingdom, Korea, Mexico, Taiwan, USA and other countries. |
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HOW DOES IT WORK ? |
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Use as supplied No Rez Ò 2-COS
flux functions in the following manner:
1. The flux wets the lead alloy of the
plate lugs and does the final cleaning of the metal
surface.
2. 2-COS acid complex chemically reduces the surface
oxides.
3. When heat is applied to the lugs, the water and
solvents are driven off in a gaseous state.
4. The residual liquid-crystal formation remains stable
until the lead alloys join via the capillary action
of the flux.
5. When the fusion between the lugs and the strap
is complete, the flux residue is virtually non-hygroscopic
and non-corrosive.
This, in essence, makes No Rez Ò 2-cos solvent
base flux superior to all Other fluxing compounds
including rosin fluxes applied in the battery construction
process. |
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| Form |
Liquid |
Diluents |
Water |
| Specific Gravity |
1.12 |
Clean equipment with |
Water |
| Flash Point |
>200F/93C(CC) |
Boiling point |
220F/104C |
| Color |
Red |
pH of concentrate |
3 to 4 |
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HANDLING INSTRUCTIONS: can be applied by dipping, spraying, or brushing and will function in closed or open systems. It has long working life in the flux pot and if necessary may be thinned with water.
Rubber gloves (impervious to acid) and safety glasses are required when
handling or mixing flux solution.
Keep skin contact to a minimum. Wash exposed skin area with water.
Wash any clothes that have been splashed with flux.
A protective hand cream is recommended when handling flux.
PREPARATION OF FLUX FOR USE:
Use plastic (or impervious to acid) equipment when handling flux. Use a 5-gallon container to prepare a solution of flux for use.
CRYSTAL FORMATION & DISSOLUTION:
Precipitation( crystal formation) when flux 2-cos is exposed to cold temperatures for an extended period. 2-cos can be redissolved by following procedure: |
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- To dissolve the crystals in the flux,
the container can be heated to 125f/52c for 2 to 3
days.
- The flux should be heated to evenly
heat the container and avoid localized heating.
- Heating can be done by placing container
in a room or other heated area to the constantly monitored
temperature.
- Whenever suitable container is not
available , use stainless steel container for heating
the flux to redissolve the crystals.
- In all cases frequently stir during
the process until all crystals have dissolved.
- Once all crystals have dissolved ,
let the 2-cos be cooled to ambient temperature.
- Stir the solution after adjustment
and take another meter reading to Verify.
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ALERT - INNOVATIVE - AGGRESSIVE
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Note: The information presented herein is our interpretation of certain test results and field experience to date. The information is not to be taken as warranty or representation for which we assume legal responsibility, nor as permission or recommendation to practice any patented invention without a license. It is offered solely for your consideration, investigation and verification. |
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