How to thicken School Tempera Paint

thicken tempera paint school paints
Thick Paint
How to thicken School Tempera Paint
with school paints


Here is a quick recipe to thicken a water based school tempera poster paint.  This takes about 10 minutes to cook and has a great thick smooth texture that is ideal for finger painting.  Depending on the amount of paint you need - increase or decrease the quantities of this recipe.


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What You Need:

4 x spoons of Corn-starch, 3 cups water, small sealable containers.



Recipe for thickening Temper Poster Paint:

1. Add 4 x level teaspoons of corn-starch with 3 x cups of water in a pot, mixing until all combined.

 2. Heat the mixture over low heat, stirring it until the corn-starch dissolves and is smooth and thick.

3. Allow the mixture to cool.

4. Add the thickener to your tempera in a slow pour, stirring the paint until you get the viscosity desired. Don't add too much at once, as you will have to add a much greater quantity of paint to get it back to a thinner consistency. If you add far too much, it is may be more economical to discard the paint and start again.

5. You can keep the remaining thickener in a sealed jar. Stir it well before using it again.  If paint is too thick, add small amounts of water and mix thoroughly, until you get the desired consistency.

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How to thicken School Tempera Paint

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2 comments:

  1. Hi! I've been cooking this for nearly 1 hour and it's still not thick. Unsure if it is due to the fact that I doubled the recipe, but the volume has lessened (evaporation I think), but it's not thick (like a corn starch gravy).
    Thanks!

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    Replies
    1. Hi Jules,
      It could be the doubled recipe. It normally works quite easily. But we are also assuming here that the brand of paint you’re a trying to thicken does not stray from the normal type of raw materials.
      Thanks

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