Buy Tempera Mediums Online | Rublev Fluid Medium for Sale

1. Buy Tempera Mediums Online | Rublev Fluid Medium for Sale Rublev Fluid Medium is a multi-purpose, vinyl acetate ethylene (VAE) polymer emulsion. Rublev Fluid Medium dries to a clear, soft and flexible film. Rublev Fluid Medium is ideal as a sealer for protecting against Support Induced Discoloration (SID), a condition resulting from impurities that are drawn up through an unprimed substrate as paint dries, discoloring the paint. Rublev Fluid Medium is also useful for diluting and extending colors, increasing flexibility and film integrity, sizing for fabric, and sealing wood.

2. Hydrogel 50ml Hydrogel is a gel composed of gum arabic and pyrogenic silica that can be mixed with water-based paints to achieve impasto-like effects. This transparent gel medium reduces the flow of water-based media giving an impasto effect to watercolor and gouache. Squeeze Hydrogel onto the palette and add just enough to the watercolor wash until the wash thickens. Tube colors are easier to use for stronger washes or when large amounts are required. Hydrogel washes will not flow into each other so they are excellent for clouds or multi-colored areas such as landscapes.

3. Spike Oil Spike oil is a natural, low-toxic substitute for turpentine. It can be used as a solvent for oil painting and in egg-oil emulsion tempera recipes. It was used historically in oil painting as early as the fifteenth century. It is believed that spike oil improves the handling of oil-based paints, because it promotes oxidation instead of simply evaporating like most solvents. However, this has not been verified by scientific testing. A small amount goes a long way and it has a pleasant smell unlike other solvents. It evaporates slower than turpentine, mineral spirits (white spirits) and odorless mineral spirits (OMS).

4. Wax Medium RublevColours Wax Medium gives a satin finish to colors, yet does not extend the drying time of oil paint, making it thicker and more workable. Add to oil colors as a working medium to add body to paint. When making your own oil colors add wax medium to oil when grinding pigments. The wax helps to give the paint a buttery consistency and guards against oil separating from pigment.

5. Casein Casein is a milk protein that is insoluble in water, but can be made into a water-based paint or glue by dissolving in water with an alkali, such as borax or ammonia. It makes a fast-drying paint that was used in ancient Egypt as tempera paint and widely used by commercial illustrators in the twentieth century. One of the qualities that artists value casein paint for is that, unlike gouache, it dries to an even consistency making it ideal for murals. It also works well as an underpainting for other painting techniques, such as oil painting.

6. Glycerin Glycerin is chiefly used as a moistening and plasticizing agent, particularly for aqueous mediums such as egg white, gelatin and gum. Add it to glues and starches to make them more flexible and prevent cracking. Makes watercolor wetter and last longer on the palette. Glycerin is prevalent in higher plants, seaweed, and in animals. In humans, glycerin is accumulated subcutaneously or in muscle tissue in the form of lipids. Substances for which fatty acids are ester-bonded to all three hydroxyl groups in the glycerin structure are known as lipids or oils and fats. 

7. Contact Us 291 Shell Lane, Willits CA 95490 (888) 361-5900 www.naturalpigments.com