It has been pointed out that the manufacturing of Carbon product from the raw material without binder and directly carries out liquid phase sinter, therefore, the product possesses higher mechanical strength, hardness and impermeability togas. 并指出用这种原料制造碳制品时可不采用粘结剂,直接实现液相烧结,制品具有较高的机械强度、硬度及不透性。