● Precautions for using female flask
Put the paper between the plugs and the female flask when storing, as the plug may be chewed and does not come off.
In addition, it is often said that heating and drying is "the scale goes crazy", but there is no problem with general heating drying. In the manufacturing process, white prints and silver stains are burned at a high temperature of 500 ° C or more after hitting the scale. A literature that examines "whether heating affects the scale of the glass bodies" has been announced. However, please note that when heating and drying. It can be damaged by a thermal impact. If you put a freshly washed volume in the upper row of the heated and dryer, depending on the temperature, it may be damaged by the temperature difference from the dropped drops. It is recommended. When using a heated dryer, pay attention to the setting temperature and how to put the glass equipment.