| 摘要 |
PROBLEM TO BE SOLVED: To provide a lightweight glass building material having excellent freeze damage resistance. SOLUTION: A raw material Y is prepared by adding a dried fine powder of dolomite to glass pieces, adding ethyl alcohol as a pulverization assistant, pulverizing, and adding water glass, and a raw material of the lightweight glass building material is prepared from a granulating body of a weight reducing material prepared by granulating the raw material Y, drying and grinding, then adding an ALC powder, mixing, and screening to obtain the fine powder and a raw material X obtained by adding the ALC powder to a coarse powder G. COPYRIGHT: (C)2007,JPO&INPIT
|
