Table of Contents (click to expand)The Science Of RubberWhat Is The Weak Point Of Rubber? Why Does It Lose Its Stretch? The rubber bands lose their elasticity because the polymers and plasticizers in rubber begin to oxidize over time, and exposure to ozone (which is present in all air to some degree) is largely responsible for this oxidization battle with rubber. There is something strangely fascinating about rubber bands. Whether we’re using them to hold back our hair, organize papers, or wrap around our pointer finger for a cheeky snapshot, the elasticity of rubber bands allows them to perform many … Continue reading Why Do Rubber Bands Lose Their Elasticity?