which is often used for inner tubes ― though not every company that lists “gum base” will use this. Polyvinyl acetate, a synthetic resin sometimes used in PVA glue, can also work as an ...

Some chewing gum also contains polyvinyl acetate, a polymer with elastic properties found in PVA glue, and butadiene-styrene rubber, found in car tyres. However, these ingredients are often listed ...