本机适用于塑胶或硫化橡胶在规定条件下，经受冲击时不出现脆性破坏的最低温度的试验。试样在规定的低温条件下经受冲击，不产生破坏的最低温度。 This machine is suitable for plastic or vulcanized rubber under the conditions of regulation Test for the lowest temperature ofbrittle failure.The sample is subjected to shock at low temperature and no minimum temperature.