功能

• The fractional distillation head allows fine adjustment of the flow rate at which fractional distillation and refluxing are performed by the PTFE cock and capillary structure.
• The upper part has a double structure that can be fitted with a thermometer of the same SPC standard.
• A cooler with a C-cone shape of the same SPC standard at the bottom can be connected to the upper part branched from the side pipe.