This testing equipment is used for the heat resistance test of polymer materials (rubber, plastic, leather, etc.), electrical insulation materials, and insulation components. It can also be used as a high-precision constant temperature drying oven for drying, baking, heat treatment, etc. of items, but is not suitable for the drying and testing of flammable, volatile, or flammable and explosive substances. It is a commonly used testing equipment for industrial and mining enterprises, research institutions, colleges, laboratories, and other departments.