High Impact Polystyrene is a very useful materials used in many applications including the sports clothing and equipment where they have to bear very high impact forces that can easily damage them. The manufacturers of the polystyrene material need to ensure that the products they deliver to the customers are of best quality so that they are able to bear the harsh forces and are durable for a longer time. The High Impact polystyrene testing instruments can be readily used for testing the endurance and strength of the products for better durability and performance of the products.