... furnace that using graphite as heating element 1.UsageIt is an vertical experimental vacuum resistance furnace that using graphite as heating element ... , ceramics, inorganic compounds, nano materials in vacuum or protective gas.2.Features 2.1stinering in vacuum or protective gas. 2.2Furnace body ... of land, easy to move. 2.3Low water consuption , an 1/2 inch pipe can meet the requirment of cooling. 2 ...