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 GSS1000 / DSS1000 Stainless Steel Dewar flask, 1000L, Shinetek Instruments Research Institute (CAT#-STEM-GGAS-3206-LGZ) WIGGENS GEW2IC / GEW2IA Screw Top Dewar Flask, 450mL, Shinetek Instruments Research Institute (CAT#-STEM-GGAS-3201-LGZ) WIGGENS GEW3IIC / GEW3IIA Screw Top Dewar Flask, 500mL, Shinetek Instruments Research Institute (CAT#-STEM-GGAS-3202-LGZ) WIGGENS GEW4IIC / GEW4IIA Screw Top Dewar Flask, 750mL, Shinetek Instruments Research Institute (CAT#-STEM-GGAS-3203-LGZ) WIGGENS GEW6IIC / GEW6IIA Screw Top Dewar Flask, 800mL, Shinetek Instruments Research Institute (CAT#-STEM-GGAS-3204-LGZ) WIGGENS GEW7IIC / GEW7IIA Screw Top Dewar Flask, 1200mL, Shinetek Instruments Research Institute (CAT#-STEM-GGAS-3205-LGZ)