Dear Sir, We need the graphite block, of high density high purity. ( Molded ) Density from 1.87/1.92g/cm3. Ash 0.04. Porosity <10%. Resistivity 13. Hardness 65 HR HS. Flexural strength 50 MPa. Compressive strength 80. Thermal conductivity 135W/m. K. Thermal expansion coefficient 5.0 ( 1*10-6/K ), purity 99.99% Size 200mm X 300mm X 500mm & any size. Monthly requirement 10ton. Please send your rates and other terms & conditions Thanks Show More