It therefore forms a weak bond with acrylic paint if the paint is applied on top of the oil paint.
Acrylic clear coat over water based paint.
Using a brush roller or paint sprayer apply at least two coats of a high quality water based latex or acrylic paint e g glidden premium available at the home depot over the primed surface.
Let this gas out and the paint the gamvar on in a single thin even coat.
Polyurethane can be oil or water based and you can use either kind over latex paint.
The difference is that while latex is water based acrylic is chemical based.
This is mainly because the drying times of water based products and oil based products are different.
Oil based paints form a harder longer.
When to choose oil based paint.
As an example acrylic paints should not be used over oil based paints.
It is supplied ready to use in an aerosol can.
A universal clear coat paint for car bodywork that can be used on vehicles of all types.
If you are just applying decorative work then apply a clear.
Gamvar comes in matte satin or gloss.
The product is known as gamvar and the solvent is gamsol.
This solution is 2 parts golden gel medium to 1 part water.
Unfortunately when many do it yourselfers apply polyurethane over a water based latex or acrylic paint they end up with rampant flaking.
The acrylic based clear paint can be used to provide a coat on the top of existing paint to provide a gloss finish.
It isn t unusual to clear coat an acrylic paint finish on a metal surface such as on an automobile with cab acrylic or acrylic lacquer.
The chemicals allow the paint to expand and contract with the weather and temperature making it a good choice for home exteriors.
A polyurethane finish can prolong the life of paint and prevent ultra violet rays from causing it to fade.
Paint an even thin coat that goes on milky but dries clear.
Acrylic paint like latex paint is made of acrylic resin.
When you spray lacquer over a solvent based acrylic finish they combine to form a hybrid film even if the acrylic is pigmented to form a paint.
I recommend painting an isolation layer on your piece first.
If you want to avoid a similar outcome choose a.
However oil based polyurethane tends to yellow as it ages whereas water based varieties stay transparent.