I posted a question about a problem I was having with a crackling finish
using water based polyurathe. I did a little experiment separating out a
few variables, and found that that the problem was an incompatability with
the shellac that I used as a sealer. The product did not specifically
state any known problem with this, so for anyone else who might care to
know, Ace brand, water based poly is not compatible with a shellac sealer.
I am aware that other brands state that they are not compatable with
shellac, but since the Ace does not say, I thought I'd point it out.
Lesson learned.
Brian
Thu, Feb 23, 2006, 7:11pm (EST+5) [email protected] (Brian=A0Mahaney)
doth sayeth:
<snip> I did a little experiment separating out a few variables, and
found that that the problem was an incompatability with the shellac that
I used as a sealer. The product did not specifically state any known
problem with this, <snip>
I found out lonnng ago, it saves a lot of time and trouble, to just
call the 1-800 number on the back of the can, and talk to whoever
answers the phone.
JOAT
Don't make me use UPPER CASE.
The last can of shellac I bought stated right on the can not to use it under
poly. Now I know why. Thanks for experimenting for me. :)
"Brian Mahaney" <[email protected]> wrote in message
news:[email protected]...
> I posted a question about a problem I was having with a crackling finish
> using water based polyurathe. I did a little experiment separating out a
> few variables, and found that that the problem was an incompatability with
> the shellac that I used as a sealer. The product did not specifically
> state any known problem with this, so for anyone else who might care to
> know, Ace brand, water based poly is not compatible with a shellac sealer.
> I am aware that other brands state that they are not compatable with
> shellac, but since the Ace does not say, I thought I'd point it out.
> Lesson learned.
>
> Brian
It's not the shellac per se that is the problem but the fact that shellac
has wax in it. You can buy specially dewaxed shellac commercially (Can't
remember the brand or name) or make your own using dewaxed shellac flakes.
Those will work fine under almost all finishes including water based.
"Brian Mahaney" <[email protected]> wrote in message
news:[email protected]...
>I posted a question about a problem I was having with a crackling finish
> using water based polyurathe. I did a little experiment separating out a
> few variables, and found that that the problem was an incompatability with
> the shellac that I used as a sealer. The product did not specifically
> state any known problem with this, so for anyone else who might care to
> know, Ace brand, water based poly is not compatible with a shellac sealer.
> I am aware that other brands state that they are not compatable with
> shellac, but since the Ace does not say, I thought I'd point it out.
> Lesson learned.
>
> Brian
Wayne Weber wrote:
> It's not the shellac per se that is the problem but the fact that shellac
> has wax in it. You can buy specially dewaxed shellac commercially (Can't
> remember the brand or name) or make your own using dewaxed shellac flakes.
> Those will work fine under almost all finishes including water based.
>
> "Brian Mahaney" <[email protected]> wrote in message
> news:[email protected]...
>
>>I posted a question about a problem I was having with a crackling finish
>>using water based polyurathe. I did a little experiment separating out a
>>few variables, and found that that the problem was an incompatability with
>>the shellac that I used as a sealer. The product did not specifically
>>state any known problem with this, so for anyone else who might care to
>>know, Ace brand, water based poly is not compatible with a shellac sealer.
>>I am aware that other brands state that they are not compatable with
>>shellac, but since the Ace does not say, I thought I'd point it out.
>>Lesson learned.
>>
>>Brian
>
>
>
The OP stated in the last thread that it was dewaxed.
Dave