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Re: Adhesion Promoter - trying PVA with little success


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Posted by jim (216.222.15.65) on 17:41:15 02/04/05

In Reply to: Re: Adhesion Promoter posted by Gordon England

: : Looking for a good adhesive promoter. I've been trying PVA with little success. Maybe I'm not useing enough coats?
: :
: : Is there a better one I should look into?
:
: Hi Jim
:
: What materials are you trying to bond?
:
: Regards gordon


Silica Bronze arc sprayed onto break-away plaster molds. I've had to go with a fine texture on the smooth plaster surfaces, but I would like too just paint a adhesion promoter to speed up production.

PVA doesn't seem to help, but it does make the plaster really hard to clean off. Zinc sticks on the smooth parts, but I want the bronze surface without having to re-spray after demolding.


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