Materials become hard and brittle when cooled by to very temperatures. This property permits the removal of flash or fins on cast plastics and rubber.The castings are caooled by liquid nitrogen and flash broken off by mechanical action. Food and Beverages & Health Care:- Extraordinarily cald liquid nitrogen allows very rapid freezing of food items, resulting in minimum cell damage from ice crystals and improved appearance, taste and texture . Nitrogen is used as a shied gas in the packing of some medicines to prevent degradation by oxidation or moinsture absoption. Nitrogen is used to freeze blood, as well as viruses for vaccination.

Materials become hard and brittle when cooled by to very temperatures. This property permits the removal of flash or fins on cast plastics and rubber.The castings are caooled by liquid nitrogen and flash broken off by mechanical action. Food and Beverages & Health Care:- Extraordinarily cald liquid nitrogen allows very rapid freezing of food items, resulting in minimum cell damage from ice crystals and improved appearance, taste and texture . Nitrogen is used as a shied gas in the packing of some medicines to prevent degradation by oxidation or moinsture absoption. Nitrogen is used to freeze blood, as well as viruses for vaccination.