Slime forms when the borate ions in the slime activator (sodium borate, borax powder, or boric acid) mix with the PVA (polyvinyl acetate) glue and forms this cool stretchy substance. This is called cross-linking! The glue is a polymer and is made up of long, repeating, and identical str...
Stir the baking soda into the glue until it thickens—this is really the point of adding baking soda to saline solution slime recipes. Go ahead and get witchy! Throw in all sorts of creepy crawlies! SLIME TIP #2: Experiment with different amounts of baking soda! Pin STEP 2: We used ...
Buy Elmer’s 5oz. Glow-in-the-Dark Liquid Glue, Washable, Blue, Great for Making Slime at Walmart.com
Pour the glue-saline solution into the baking-soda water solution; it will automatically come together into a glob. Give the mixture a few stirs with a spoon.[4] The baking soda water activates the slime. 5 Pull the glob out of the water and knead it to firm it up. There will be...