How do we make our own non sticky viscous gel?

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SUMMARY

This discussion focuses on creating a non-sticky viscous gel suitable for use as a suspending or bedding buffer in PCB assembly and soldering processes. Participants mention using base materials such as starch or fine wood sawdust mixed with water and glue, with acetone suggested for neutralizing stickiness. The gel's viscosity is crucial for holding components during soldering, particularly in reflow or wave soldering applications. The conversation highlights the need for specific formulations to achieve the desired gel consistency.

PREREQUISITES
  • Understanding of PCB assembly processes
  • Knowledge of materials like starch, wood sawdust, and PVA
  • Familiarity with soldering techniques, including reflow and wave soldering
  • Basic chemistry knowledge regarding viscosity and gel formation
NEXT STEPS
  • Research formulations for non-sticky viscous gels using starch and wood sawdust
  • Explore the properties of PVA and Borax in gel creation
  • Investigate the effects of acetone on gel stickiness and viscosity
  • Learn about PCB assembly techniques and the role of gels in soldering
USEFUL FOR

Electronics engineers, PCB assembly technicians, and hobbyists involved in soldering components onto printed circuit boards will benefit from this discussion.

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How do we make our own non sticky viscous gel
How do we make our own non or very little sticky viscous gel as ever overheard and glimpsed a chat circle of 3-4 persons conferring one another about how making it correctly and had successfully realized one in hand of one of them

But that casual time quite short so one would have no chance to learn or perceive of it well, Iirc it involved base matter e.g. starch or maybe fine wood sawdust mixed with water and maybe glue, then if too sticky it'd be neutralized with some acetone (or s.t. else better)

Anyone really gone through it so that will share experiences now please ?
 
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Is this the slime you can make with PVA and Borax? It can be mixed to be slimy or a firmer version called flubber.
 
Unfortunately haven't heard that due to my noobs

The point is the gel viscosity is needed to be used reliably enough as suspending/bedding buffer for PCB onto which a component is being soldered
 
abdulbadii said:
The point is the gel viscosity is needed to be used reliably enough as suspending/bedding buffer for PCB onto which a component is being soldered
Looks like you came to the right place; I'm quite familiar with various PCBA assembly and soldering processes. Can you say more about your application? What kind of component do you need to hold in place for the soldering process? Is this reflow or wave soldering? Top side or bottom side of the PCBA? The more details you can give us, the better our answers can be.
 
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