| 摘要 |
PCT No. PCT/NO93/00178 Sec. 371 Date Jul. 17, 1995 Sec. 102(e) Date Jul. 17, 1995 PCT Filed Nov. 25, 1993 PCT Pub. No. WO94/12693 PCT Pub. Date Jun. 9, 1994The structural part is used in an electolytic cell for production of aluminum and comes into contact with the gas atmosphere in the electrolytic reduction cell. The structural part is made completely from, or is a metal part which is coated with, a concrete composition of 15-30% by weight of a hydraulic cement, 5-10% by weight of microsilica and 65-85% by weight of a refractory filler material. |
