[SOLVED] what is the purpose of this layer over PCB ?

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Hi,

* Mechanical protection
* moisture protection
* dirt protection
...

Klaus
 

Protection from harsh environment.
 

It's too peelable to be conformal coating, but I've seen designs that use beeswax or another type of wax to protect boards, and still be removable for maintenance (i.e. easy to melt with hot air rework station).
 
ArticCynda said:
It's too peelable to be conformal coating, but I've seen designs that use beeswax or another type of wax to protect boards, and still be removable for maintenance (i.e. easy to melt with hot air rework station).
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name of that material ?? or any other alternative of it for home made pcb ??
 

Hi,

You don´t know what it is .. but now you want to use it for home made PCB. Why?

I´d not use it ... until I see a good reason that I have to use it.

Klaus
 

ArticCynda said:
It's too peelable to be conformal coating, but I've seen designs that use beeswax or another type of wax to protect boards, and still be removable for maintenance (i.e. easy to melt with hot air rework station).
Click to expand...

Wax on a PCB!!!!
Its a conformal coating, I have used similar in the distant past, not all are hard and well adhered, that looks like a rubbery/silicone based one. Something like this...
As to wax of any sort on a PCB, wouldn't recommend it (under any circumstances), there are better choices.
 
Home made pcb generally get some problem in functioning due to moistures after some time,..and the place where i m designing the things are much humid climate...thats y we are looking for this solution.
 

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