标准号:SIS SS-EN 27 490-1992
中文标准名称:黄金合金牙科石膏包埋料
英文标准名称:Dental gypsum-bonded casting investment for gold alloys
发布日期:1992/7/10 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:This International Standard establishes a classification of, and specifies requirements for, gypsum-bonded casting invest-ments together with the test methods to be used to determine compliance with these requirements.It applies to gypsum-bonded investments suitable for casting dental gold alloy which have liquidus temperatures not higher than 1 080 °C.