The Wiggins screw-top Dewar flask is airtight and anti-evaporation. . If using a volatile coolant, please note that the maximum pressure of the screw-top Dewar is 0.1 bar. The screw port is GL32 or GL45, made of 3.3 borosilicate glass. It is suitable for storing low-temperature products such as liquid nitrogen and dry ice. Wiggins screw-top Dewar flasks can also be used to freeze and store small amounts of samples in the laboratory. There is a matching cover to prevent evaporation, and the one with an observation window can be customized GEW type is threaded port, C series: iron blue painted shell; A series: glass injection.
WIGGENS GEW2IC / GEW2IA Screw Top Dewar Flask, 450mL, Shinetek Instruments Research Institute (CAT#-STEM-GGAS-3201-LGZ) WIGGENS GEW00IIC / GEW00IIA Screw Top Dewar Flask, 100mL, Shinetek Instruments Research Institute (CAT#-STEM-GGAS-3196-LGZ) WIGGENS GEW0IC / GEW0IA Screw Top Dewar Flask, 200mL, Shinetek Instruments Research Institute (CAT#-STEM-GGAS-3197-LGZ) WIGGENS GEW0IIC / GEW0IIA Screw Top Dewar Flask, 200mL, Shinetek Instruments Research Institute (CAT#-STEM-GGAS-3198-LGZ) WIGGENS GEW1IC / GEW1IA Screw Top Dewar Flask, 300mL, Shinetek Instruments Research Institute (CAT#-STEM-GGAS-3199-LGZ) WIGGENS GEW1IIC / GEW1IIA Screw Top Dewar Flask, 300mL, Shinetek Instruments Research Institute (CAT#-STEM-GGAS-3200-LGZ)