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When we switched to this version of Epsom salt, the slime that formed was almost identical to borax slimes, but it was just a bit bouncier.

So, we experimented with using a purer form of Epsom salt magnesium- magnesium chloride flakes. However, we wanted our slime to be even stickier! How to Make Your Slime Less Sticky In our tests, we found that Epsom salt did create a slime-like substance. In our search for alternative slime activators, we quickly realized that to make real slime, the same cross-linking chemical reaction must occur, and the ingredients used must still be safe to touch. When the slime activator is added to the glue, the positions of the molecule chains move together, making a stronger bond that forms a pattern closer to a thatch roof than a single chain. This chemical bond is slipperty and has a high viscosity.Īdding the boron to the glue strengthens the bonds through a process called cross-linking. PVA glue already contains molecule chains ( polyvinyl acetate molecules to be exact). A polymer is simply a set of molecules that are linked like a chain. Slime is simply a mixture of polymer chains. Slime is technically a non-Newtonian fluid (which just means that it has properties of both a solid and a liquid). Slime is a fun example of chemical bonding and chemistry. Chemistry is one big over-arching name for states of matter and how they interact with one another and in differnet conditions (such as temperature changes).