DS DS/EN ISO 9694
DS DSEN SO 9694 1999-FEB-02 Dental phosphate-bonded castng nvestments Replaced by DS DSEN SO 15912A1
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This Standard classifies dental phosphate-bonded casting investments into two types according to the intended use. It specifies requirements for the essential physical properties of the investment and the test methods to be used to determine these properties. It also includes a requirement for adequate instructions to accompany each package.