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Gesso over the black, then apply the new color layer.
Yes, you can put chalk pastels over acrylic paint. After acrylic paint is dry, you can use soft pastels over the paint so it won't crack.
You can use oil-based paint pens over acrylic IF the acrylic has not been applied too thickly. You can also use water-based paint pens. HOWEVER, you cannot use acrylic over oil. The difference in how these two mediums dry and cure can make the acrylic-over-oil crack.
Do you realize that you can get FLAT ACRYLIC PAINT. Flat paint refers to the gloss level. You may want Gloss, Satin, Lowsheen or Flat. Acrylic paint on the other hand refers to what the paint is based on or what binder is being used. Acrylic paint is also refered to as waterbased paint. You most likely are referring to putting flat acrylic over lowsheen or gloss acrylic. In answer to your question - as long as they are both acrylic than you will not have any problems. I am in this answer assuming that you are referring you house paints. If not than the same principle applies - acrylic over acrylic is fine. To keep acrylic from going glossy just don't polish it.
Depending upon the type of plastic, acrylic paint can be applied directly to the surface. Some plastics will repel acrylic paint, some are very smooth and the acrylic paint will easily scratch off and some have a slight tooth and provide the best surface for paint adhesion. The plastic must be chemically inert so that it will not react with the paint film over time. If the plastic repels acrylics, the surface can be prepared by sanding and roughing the surface to provide "tooth". Try using a very fine sand paper, such as #500 "wet sanding" black sandpaper to roughen the plastic's surface. After sanding, remove dust and coat with a layer of Matte Medium or Matte Gel Medium (let dry) and then one or two coats of acrylic gesso.
Gesso over the black, then apply the new color layer.
compact discs are made of polycarbonate plastic followed by a thin layer of aluminum coating over the polycarbonate plastic then finished with a clear protective acrylic coating over the aluminum layer some companies use silver or gold instead of the aluminum layer
yes
no you should not put acrylic over toenail fungus.
Rohlander Amy Runyen has written: 'Acrylic Painting Layer by Layer Paradise Sunset'
Yes, you can put chalk pastels over acrylic paint. After acrylic paint is dry, you can use soft pastels over the paint so it won't crack.
No, the solvents in lacquer are to hot and volatile. The lacquer will cause bubbling of the acrylic paint.
lipid layer
You can use oil-based paint pens over acrylic IF the acrylic has not been applied too thickly. You can also use water-based paint pens. HOWEVER, you cannot use acrylic over oil. The difference in how these two mediums dry and cure can make the acrylic-over-oil crack.
It bonds the silver to the polyester film.
Acrylic is very vulnerable to scratching. So the protective paper, or film should be left on during all transportation and shipping.
Computer printer's ink is specially formulated, and I would recommend not using an acrylic ink. Acrylic is a polymer and is likely to block jets and leave a messy, solid plastic film on rollers, etc.