Feature and use: MZ-4068 single sample vulcanized rubber low temperature brittleness tester test the highest temperature that the sample was impacted and destroyed in a certain condition.It judges non-horniness plastic and spring material's performance under low temperature.This machine can determine brittleness temperature and performance's grade of different rubber and different vulcanized rubber. So it is indispensable in rubber and plastic industry or science research.This tester was suit for GB1682-82.Technique indexes suits for nation standards.