Things You\’ll Need
Skim milk powder
Skip buying tubes of wood glue by making your own at home.
Casein glue is a natural material made from animal proteins. While formaldehyde-based glues are the new commercial standard, since they are more resistant to moisture and fungal growth, casein glue was used in the construction of major building projects for centuries and is just as efficient for everyday use. Casein glue can be made at home using common household items and works as an excellent substitute for store-bought wood glue.
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Add water to skim milk powder to produce 100 mL of skim milk. The directions on your packet of skim milk will list the appropriate amount of water to add.
Pour water into a pan and add 15 mL of white vinegar.
Heat the contents of the pan on a low heat, while stirring with the stirring spoon. When the contents begin to curdle, remove the pan from the heat immediately so as not to ruin the glue.
Create a filter by placing a paper towel over the top of the funnel. Pour the contents of the pan onto the paper towel so that the liquid drains through and the curdles of casein remain on top.
Wash the casein under lukewarm water to remove any remaining vinegar.
Stir a half teaspoon of baking soda into the curds in a separate container until the contents have achieved the consistency of regular wood glue.