| 摘要 |
PCT No. PCT/FI91/00266 Sec. 371 Date Apr. 21, 1993 Sec. 102(e) Date Apr. 21, 1993 PCT Filed Aug. 28, 1991 PCT Pub. No. WO92/04289 PCT Pub. Date Mar. 19, 1992.The invention concerns a raw material briquette for mineral wool production containing a mineral raw material as well as a binder therefor. The invention is characterized in that the briquette, as the binder, contains slag which has been activated with an alkaline agent, such as with an alkalimetal compound. The invention also concerns a process for the preparation of the briquette as well as a process for the preparation of mineral fibres using the briquette according to the invention.
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