与冷阱配套使用。可有效防止反应体系中的化学物质（溶剂）吸入真空泵中。赛岐自产杜瓦瓶，引入美国良好工艺及高真空设备制成，夹层真空度超过10-5mmHg，并保证此产品的保温性。
Greenland液氮杯

货号          总容量（ml）      外部深度x内径（mm）    内部深度x内径（mm） 单价

F110350     350                       157x86               125x70                   479  

F110665      665                        241x100           195x70                   690

F111000      1000                       337x100            302x70                  889

F111900      1900                      252x160      190x120                    1188

F111900L      3500                     337x160      302x120                   1667

 F114300    4300                        365x178         305x143                2189

货号                 可容纳反应球瓶体积（ml）        深度x内径（mm）   单价

F240100        100                                                    65x80                        885

F240250       250                                                   75x100                      978

F240500        500                                                    85x123                   1086

F241000      1000                                               100x143                   1398