Heidolph HR 18 half-moon stirrer (PTFE)

Our half-moon stirrer is specially designed for use in round bottom flasks with NS 29/32 or larger. Combined with the vacuum-tight PTFE stirrer cap, you get an absolutely tight reaction system. The HR 18 half-moon stirrer works best up to 1,700 ml. The half-moon stirrer consists of a stirring blade made of PTFE and a PTFE-coated stainless steel shaft . The stainless steel core ensures the stability of the stirrer shaft and secure mounting in the laboratory stirrer, without the risk of breakage of conventional stirrer shafts made of glass. In the clamping area, the diameter is 6.5 mm; the stirrer shaft with the thick-walled PTFE coating has a diameter of 8 mm. Due to its anti-adhesive property (non-stick coating), the half-moon stirrer is easy to clean and can be used up to a maximum application temperature of 250°C.