Amber Listserv / copal test

[Andy Ng]

That's the standard acetone test, glen. And I use a 15X loupe, not 10X. I
think you missed my point: no matter how much acetone you pour onto the
surface of a piece, it's not gonna show you what's inside.

Andy

On 7/12/06, glen <gosborne at shaw.ca> wrote:
>
>  hello andy, I would like to share my test method.  I prefer to test with
> pure acetone and I always put a drop on one spot, wait a couple of seconds
> and then remove the acetone. Then I put another drop on the same spot, wait
> several seconds and then I rub the area with my finger. ( wearing rubber
> gloves of course ) I then look at the surface, using 10x,  of the material
> to see if there has been any changes in the surface. In the past I have
> found that a quick test can seem like there has been no change in the
> surface when in fact the change was slight. glen
>
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