HI-Tech Carbon Co.,limited Graphite Vane Application Vacuum Pumps/ Chemical pumps/ Gasoline vapor pick up pumps/ Oil free air pumps / Fuel & fuel transfer pumps/ Rotary Compressors for fresh air/ Printing industry/ Medical applications/ Beverage pumps/ Packaging machines Material 1.Density:1.95-2.00g/cm3 2.Compressive strength:80Mpa 3.Ash content:0.20% 4.Dimension: to order 5. Resin, Antimony, Babbitt, Bronze, ect Impregnation are available. Advantages Self lubricating – dry running Low wear rate Low coefficient of thermal expansion Dimensionally stable Compatible with food & pharmaceuticals Excellent thermal shock Good hardness Good impact resistance Excellent strength