NF EN ISO 15912
Dentistry - Casting investments and refractory die materials
ISO 15912:2006 is applicable to dental casting, brazing and refractory investments and refractory die materials, regardless of the nature of the binding system or the particular application.ISO 15912:2006 classifies investments into types according to their intended use and classes according to the burn-out procedure recommended by the manufacturer. ISO 15912:2006 specifies requirements for the essential physical and mechanical properties of the materials and the test methods used to determine them. ISO 15912:2006 also includes requirements for the information and instructions which accompany each package.
ISO 15912:2006 is applicable to dental casting, brazing and refractory investments and refractory die materials, regardless of the nature of the binding system or the particular application.
ISO 15912:2006 classifies investments into types according to their intended use and classes according to the burn-out procedure recommended by the manufacturer.
ISO 15912:2006 specifies requirements for the essential physical and mechanical properties of the materials and the test methods used to determine them.
ISO 15912:2006 also includes requirements for the information and instructions which accompany each package.
Le présent document donne une classification et prescrit les spécifications des revêtements à couler liant-plâtre ainsi que les méthodes d'essai à utiliser pour déterminer la conformité à ces spécifications.
La présente Norme internationale établit une classification et énonce les exigences concernant les revêtements dentaires pour le brasage. Elle spécifie les méthodes d'essai à appliquer pour déterminer la conformité à ces exigences. Elle dresse la liste des informations à inclure dans les instructions du fabricant et contient également les exigences relatives à l'étiquetage.
La présente Norme internationale est applicable aux produits pour modèles réfractaires à liant phosphate utilisés pour la restauration dentaire par technique de frittage. Elle spécifie les propriétés physiques essentielles requises du produit ainsi que les méthodes d'essai à utiliser pour déterminer ces propriétés. Elle énonce également des exigences relatives aux instructions adéquates destinées à accompagner chaque emballage.
ISO 15912:2016 gives requirements and test methods for determining the compliance of dental casting investment, dental brazing investment, dental pressable-ceramic investment and dental refractory die materials used in the dental laboratory, regardless of the composition of the refractory powder, the composition of the binder, or the particular application. ISO 15912:2016 classifies such products into types and classes, according to their intended use and the burn-out procedure recommended by the manufacturer. It also gives requirements for marking, labelling and manufacturer's instructions. It specifies requirements for the essential physical and mechanical properties of the products and the test methods to be used for determining them. NOTE 1 Compliance with all of the requirements presented in Clause 5 may not be necessary for some products, and a requirement might not be applicable to a product with a particular binder chemistry or be intended for an application in which that requirement is irrelevant. When this is the case, a clear statement to this effect is given according to Clause 5. NOTE 2 A specific quantitative requirement for setting expansion is not included in this International Standard. If the setting expansion of gypsum-bonded investment is measured, then the procedure given in ISO 6873[1] can be considered ? a procedure not recommended, however, for investment materials with other binders.
- Avant-proposiv
- Introductionv
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1 Domaine d'application1
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2 Références normatives1
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3 Termes et définitions1
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4 Classification2
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4.1 Généralités2
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5 Exigences3
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5.1 Généralités3
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5.2 Consistance du produit3
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5.3 Fluidité3
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5.4 Temps de prise initial3
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5.5 Résistance à la compression3
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5.6 Variation dimensionnelle thermique linéaire3
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5.7 Expansion de prise3
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6 Échantillonnage, conditions d'essai et mélange3
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6.1 Échantillonnage3
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6.2 Conditions d'essai4
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6.3 Mélange4
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7 Méthodes d'essai4
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7.1 Consistance du produit4
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7.2 Fluidité4
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7.3 Temps de prise initial6
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7.4 Résistance à la compression8
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7.5 Variation dimensionnelle thermique linéaire11
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8 Instructions du fabricant14
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8.1 Généralités14
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8.2 Informations pour l'utilisation14
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8.3 Propriétés physiques14
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8.4 Instructions de sécurité15
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9 Marquage15
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9.1 Récipient contenant la poudre15
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9.2 Récipient contenant le liquide16
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10 Emballage16
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10.1 Poudre16
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10.2 Liquide16
- Bibliographie17
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