amorphous spherical graphite products has unusual oxidation resistance,superior electric, self-lubricity,plasticity. amorphous spherical graphite productsFixed carbon: the products can be divided into different grades: 70%, 75%, 80%, 83%, 85%, 88%Size: 48*38*24mm, 50*40*26mmApplication: mainly used for pencil, battery graphite bearings, the foundry materials, fire-proof materials, dyestuff ,fire- ...