This product USES the high quality non-magnetic 1 cr18ni9ti stainless steel refined but become, have ptfe liner, double care, acid, alkali, etc. Has a beautiful appearance, reasonable structure, easy operation, good corrosion resistance, is the university laboratory, environmental monitoring, health and epidemic prevention, quality supervision and scientific research fields such as do sample digestion with ideal products, the corresponding working pressure shall not exceed 3 mpa, can according to the technical index of different samples, different heating temperature and heating time.