Brittle Point Testers determines the crystallization point of rubber, plastics and other compounds. It tests the exact temperature at which the material becomes brittle. It is used for testing such diverse products as windshield wiper blades, hoses, belts, tires, coated fabrics, roofing membrane and parts for outdoor equipment. It is used for manufacturing or testing chemical compounds, technical service centers, original equipment manufacturers and others concerned with product safety and durability under difficult environmental conditions. It offers insure strict quality assurance. It has built-in temperature controller, and with the optional liquid nitrogen control, allows the operator the ability to change the temperature and get to the new temperature quickly and accurately.