【摘要】 贵金属首饰品精铸原料的研制章晓兰廖立兵梁育林（中国地质大学，北京１０００８３）关键词贵金属白金精铸原料铸型国内珠宝行业欣欣向荣，贵金属首饰需求量逐年上升，对贵金属铸粉的需求量很大。国外首饰品精铸原料已有成熟产品，目前国内几乎所有首饰品铸造厂均使用美国...更多还原

【Abstract】 Two kinds of precision casting material used to produce the jewelry items such as rings and the like which are composed of gold and silver or other precious metals have been introduced. Using natural quartz in China,the authors prepared fine non plaster mixture suitable for the casting of rings and the like composed of white gold with very high melting point Main property tests and industrial production proved that the mixture had the character of lower cost and reasonable properties更多还原