| 摘要 |
This invention relates to the making method of a final gloss abradant which is used for granitic building stones. The process is as follows; the mixing powder which is made by mixing the diatomite, white earth, alumina and silica is mixed with the chaff, sawdust carbide powder, and the abradant powder the shape of which is sphere is made by heating at about 2000-2200≦̸C. After this process, the abradant powder is mixed with the phenol resins powder, asbestos fiber, wool and calcium carbonate. The solid abradant is made by heating and pressing the above mixture at 120≦̸C.
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