Details information Description Hotplates Heating working area 400x300mm158x118inch Anticorrosion Heating working area coated can increase the corrosion functionpower cord covered in PFA tubeseparate design can makes the controller outside of the fume cupboard to avoid the acid corrosion4 feet with PFA tube can anticorrosion Materials High quality graphite Max use temperature 350C Temperature control type PID temperature control digital display Continue working time 48h  OEM 1Heating working area   2length of power cord and height of the feet Features 1heating speed full uniform heating   2high efficiencycan heat several samples at the same time   3simple operation easy to use Long service life Warranty  Within one year Matching products utensilsbeakercrucibledigestion tubesample tankdigestion bottles ect