1-5mm Semi Graphite Petroleum Coke ma ka hale hana kila
ʻO Semi GPC (SGPC) mai ka papa insulation o ka umu acheson. Aia ka mahana graphitization ma ka pae o 1700-2500ºC. No ka huahana graphitization mahana waena ia. He recarburizer hoʻokele waiwai ia me ke kalapona paʻa kiʻekiʻe, ka nui o ka sulfur haʻahaʻa, ka wikiwiki o ka hoʻoheheʻe ʻana a me ka wikiwiki o ka absorption kiʻekiʻe.
