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EN ISO 7490 : 2000

Withdrawn

Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

Dental gypsum-bonded casting investments (ISO 7490:2000)

Withdrawn date

06-30-2001

Published date

12-15-2000

Foreword
Introduction
1 Scope
2 Term and definition
3 Classification
4 Requirements
  4.1 Appearance of powder
  4.2 Fluidity at working time
  4.3 Setting time
  4.4 Compressive strength
  4.5 Linear setting expansion
  4.6 Linear thermal expansion
5 Sampling, test conditions and mixing
  5.1 Sampling
  5.2 Test conditions
  5.3 Mixing
6 Test methods
  6.1 Visual examination
  6.2 Fluidity at work time
  6.3 Setting time
  6.4 Compressive strength
  6.5 Linear setting expansion
  6.6 Linear thermal expansion
7 Manufacturer's instructions
8 Packaging
  8.1 Packaging
  8.2 Mould lining
9 Marking

Specifies requirements for, and establishes a classification of, gypsum-bonded casting investments together with the test methods to be used to determine compliance with these requirements. Applies to gypsum-bonded investments suitable for casting dental gold alloy which have liquid temperatures not greater than 1080 Degrees C. Coverage includes: sampling, packaging and marking. Also includes annexes, tables and diagrams.

Committee
CEN/TC 55
DevelopmentNote
Supersedes EN 27490. (06/2007)
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Withdrawn
Supersedes

DIN EN ISO 14356:2003-10 DENTISTRY - DUPLICATING MATERIAL
ISO 14356:2003 Dentistry Duplicating material
EN ISO 14356:2003 Dentistry - Duplicating material (ISO 14356:2003)
BS EN ISO 14356:2003 Dentistry. Duplicating material

ISO 5459:2011 Geometrical product specifications (GPS) — Geometrical tolerancing — Datums and datum systems
ISO 1101:2017 Geometrical product specifications (GPS) — Geometrical tolerancing — Tolerances of form, orientation, location and run-out
ISO 3098-1:2015 Technical product documentation Lettering Part 1: General requirements

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