GOST ISO 7491-2012 Dental materials Determination of colour stability of dental polymeric materials《牙科材料 牙科聚合材料颜色稳定性的测定》.pdf

1、 , (C) INTERSTATE COUNCIL FOR STANDARDIZATION, METROLOGY AND CERTIFICATION (ISC) (ISO 7491:1985, IDT) 2013 ISO 7491 2012 ISO 74912012 II , 1.092 . 1.22009 . , . , , , 1 - () 2 () 3 , ( 41-2012 24 2012 .) : ( 3166) 004-97 ( 3166) 004-97 AZ AM BY KZ KG MD RU TJ UZ UA - 4 19 2012 ISO 74912012 1 2015 .

2、5 ISO 7491:1985 Dental materials Determination of colour stability of dental polymeric materials ( . ). C (IDT). 749195. 6 ISO 74912012 III ( ) . , . . C, 2013 , . ISO 74912012 1 Dental materials. Determination of colour stability of dental polymeric materials 2015-01-01 0 . , . 1 . 2 2.1 2.1.1 5000

3、 7000 ; 150000 . 10 % , . . ISO 74912012 2 (2.1.2) 1500 . , . 2.1.2 2.1.2.1 1 %, 300 90 %, 370 . 2.1.2.2 , 55 , (. ) , , . (0,9 0,1) , . , . , . 2.1.3 . 2.1.3.1 (37 5) (10 5) , . 2.1.3.2 50 1. ISO 74912012 3 1 50 2.2 2.2.1 , . . . 24 . . 2.2.2 24 . 3 , . , , , 65, . 1000 . ISO 74912012 4 90%- (, ) . ( ). , . 2 . . ISO 74912012 5 615.461:006.354 11.060.10 IDT 19 : ,