... the drawing and design a drawing.2.GOOD PROPERTIES: High purity, fine grain, good performance of electrical conductivity and thermal ... .3.WIDE APPLICATION: For high vacuum furnace,mechanical industry,chemical industry,ceramic industry,etc.4.SPECIFICATIONS:Series: 1 grade Grain ... strength: 68MPaAsh: 0.1% maximum5.PHOTOS: GRAPHITE,GRAPHITE ROD High purity impregnated graphite rod for industrial furnace