Tempera paintings require a binder to be added to the pigment colours to make them stick to the plaster. They are also quite stable, but susceptible to damage by moisture and dampness. Tempera paintings are done on dry plaster, so there is no stress of the time deadline.
Acrylics are alkaline in the wet state and adhere well to plaster. However, the surface of cast plaster is usually smooth and thicker paints often cannot penetrate deep enough to create a strong bond.
Best Surfaces to Paint On
Acrylic paints can be used on almost any surface including fabric, paper, wood ceramics, plastic, canvas, metal, mirrors, glass, rock, and much more. Tempera paints are best used on cardboard, poster boards, paper, Paper Mache, but can also be used on wood, mirrors, and glass.
On drywall, first do a drywall primer, then you can paint with latex, acrylics, milk paint or egg tempera paint.
Tempera paint is used for classroom projects, craft projects, theatre props, posters, color mixing exercises, painting windows, and more. It works best on absorbent surfaces such as paper, poster board, and cardboard.
You can paint straight onto/over plasterboard in most cases, you simply need to cover the joints and any holes created by your fixings first. Being able to paint directly onto the surface of the new wall is convenient and saves time and money. You can also plaster over painted plasterboard at a later stage.
If you have plastered walls, you will want to use acrylic latex, latex, or acrylic paint. If you want to use water-based paint, you may want to paint on wet plaster. Wet plaster will absorb and blend with water-based paint for a nice look.
Since tempera initially dries through the relatively rapid evaporation of its water content, if too dense a layer of impasto paint is applied, it can crack as it shrinks (akin to what a dried-out lake bed looks like).
The main difference between acrylic and tempera paint is in their composition. Due to the makeup, acrylic is more durable, glossier, and thicker and is better suited for traditional art projects. Tempera paint is thinner, faster drying, and easier to clean up, even after drying.
They are generally used by adults and older children because of their permanence. Crayola Tempera Paints are generally used by older children. They are an excellent choice for teaching/learning to mix and blend colors. Crayola Washable Paints are typically used by younger children because of their washability.
For wet paint, blot it with a cloth or paper towel to absorb as much as possible. Next, use a clean cloth to blot the stain with white vinegar. It may also help to spray the area with white vinegar and allow it to set for a few minutes.
Poster paint (also known as tempera paint in the US) is a distemper paint that usually uses Starch, Cornstarch, cellulose, gum-water or another glue size as its binder. It either comes in large bottles or jars or in a powdered form. It is normally a cheap paint used in school art classes.
fresco painting, method of painting water-based pigments on freshly applied plaster, usually on wall surfaces. The colours, which are made by grinding dry-powder pigments in pure water, dry and set with the plaster to become a permanent part of the wall.
Tempera can be used on canvas, but it’s not always an ideal medium. Like fluid acrylic, tempera paint is not extremely thick, so it can drip downward if applied to a canvas on an easel.
Acrylic dries into a stiff texture which you can build up on. In terms of mixing capability, both types of paint do very well. Both tempera paint and acrylic paint mixes colors wonderfully.
What Surfaces is Tempera Paint Good For? You can use tempera paint canvas, wood, and glass, sure. But they really are not the perfect surfaces just because tempera paint is not the highest-quality medium out there.