• I.S. EN ISO 7490:2001

    Withdrawn A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.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

    Available format(s):  Hardcopy, PDF

    Withdrawn date:  26-02-2008

    Language(s):  English

    Published date:  06-07-2001

    Publisher:  National Standards Authority of Ireland

    For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
    Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

    Dates of withdrawal of national standards are available from NSAI.

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    Table of Contents - (Show below) - (Hide below)

    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

    Abstract - (Show below) - (Hide below)

    Establishes a classification of, and specifies requirements for, gypsum-bonded casting investments.

    General Product Information - (Show below) - (Hide below)

    Development Note Supersedes I.S. EN 27490. (06/2007)
    Document Type Standard
    Publisher National Standards Authority of Ireland
    Status Withdrawn
    Supersedes

    Standards Referencing This Book - (Show below) - (Hide below)

    ISO 1562:2004 Dentistry Casting gold alloys
    ISO 1561:1995 Dental casting wax
    ISO 3696:1987 Water for analytical laboratory use — Specification and test methods
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