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  • BS EN 927-6:2006

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    Withdrawn A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
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    Paints and varnishes. Coating materials and coating systems for exterior wood Exposure of wood coatings to artificial weathering using fluorescent UV lamps and water

    Available format(s):  Hardcopy, PDF

    Withdrawn date:  24-10-2018

    Language(s):  English

    Published date:  31-10-2008

    Publisher:  British Standards Institution

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

    Foreword
    Introduction
    1 Scope
    2 Normative references
    3 Principle
    4 Apparatus
      4.1 Test chamber
      4.2 Lamps
      4.3 Device for wetting the test panels
      4.4 Black panel thermometer
      4.5 Irradiance control
    5 Test panels
      5.1 Wood
      5.2 Preparation and selection of wood panels
      5.3 Preparation of coated panels
    6 Procedure
      6.1 Examination before exposure
      6.2 Mounting the test panels
      6.3 Exposure
      6.4 Examination of test panels
    7 Precision
    8 Expression of results and test report
    Annex A (normative) - Details of test methods
          A.1 Gloss and change of gloss
          A.2 Colour and colour change
          A.3 Blistering
          A.4 Flaking
          A.5 Cracking
          A.6 Chalking
          A.7 General appearance
          A.8 Adhesion
    Annex B (informative) - Explanatory notes
          B.1 Explanation of exposure cycle
          B.2 Reproducibility
          B.3 Correlation to natural weathering
          B.4 Dependency on wood species and substrate
          B.5 Recommendation of periodical performance assessments
    Annex C (informative) - Test for heartwood in pine
    Annex D (informative) - Water treatment, devices for
            water purification
    Annex E (normative) - Test for abnormally porous wood
    Annex F (informative) - Alternative procedure for
            preparation and coating of panels
    Bibliography

    Abstract - (Show below) - (Hide below)

    Describes a method for determining the resistance of wood coatings to artificial weathering performed in an apparatus equipped with fluorescent UV lamps, condensation and water spray devices.

    Scope - (Show below) - (Hide below)

    This part of EN 927 specifies a method for determining the resistance of wood coatings to artificial weathering performed in an apparatus equipped with fluorescent UV lamps, condensation and water spray devices.

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

    Committee STI/28
    Document Type Standard
    Publisher British Standards Institution
    Status Withdrawn
    Superseded By

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

    ISO 7724-1:1984 Paints and varnishes Colorimetry Part 1: Principles
    ISO 4892-1:2016 Plastics Methods of exposure to laboratory light sources Part 1: General guidance
    EN ISO 4628-2:2016 Paints and varnishes - Evaluation of degradation of coatings - Designation of quantity and size of defects, and of intensity of uniform changes in appearance - Part 2: Assessment of degree of blistering (ISO 4628-2:2016)
    EN ISO 4892-1:2016 Plastics - Methods of exposure to laboratory light sources - Part 1: General guidance (ISO 4892-1:2016)
    EN ISO 4628-1:2016 PAINTS AND VARNISHES - EVALUATION OF DEGRADATION OF COATINGS - DESIGNATION OF QUANTITY AND SIZE OF DEFECTS, AND OF INTENSITY OF UNIFORM CHANGES IN APPEARANCE - PART 1: GENERAL INTRODUCTION AND DESIGNATION SYSTEM (ISO 4628-1:2016)
    EN ISO 4892-3:2016 Plastics - Methods of exposure to laboratory light sources - Part 3: Fluorescent UV lamps (ISO 4892-3:2016)
    ISO 2808:2007 Paints and varnishes Determination of film thickness
    ISO 7724-2:1984 Paints and varnishes Colorimetry Part 2: Colour measurement
    EN ISO 2409:2013 Paints and varnishes - Cross-cut test (ISO 2409:2013)
    EN 927-1:2013 Paints and varnishes - Coating materials and coating systems for exterior wood - Part 1: Classification and selection
    EN ISO 4628-4:2016 Paints and varnishes - Evaluation of degradation of coatings - Designation of quantity and size of defects, and of intensity of uniform changes in appearance - Part 4: Assessment of degree of cracking (ISO 4628-4:2016)
    ISO 4628-4:2016 Paints and varnishes Evaluation of degradation of coatings Designation of quantity and size of defects, and of intensity of uniform changes in appearance Part 4: Assessment of degree of cracking
    ISO 2810:2004 Paints and varnishes Natural weathering of coatings Exposure and assessment
    ASTM G 154 : 2016 : REDLINE Standard Practice for Operating Fluorescent Ultraviolet (UV) Lamp Apparatus for Exposure of Nonmetallic Materials
    ISO 4628-5:2016 Paints and varnishes — Evaluation of degradation of coatings — Designation of quantity and size of defects, and of intensity of uniform changes in appearance — Part 5: Assessment of degree of flaking
    ISO 4628-1:2016 Paints and varnishes Evaluation of degradation of coatings Designation of quantity and size of defects, and of intensity of uniform changes in appearance Part 1: General introduction and designation system
    ISO 4892-3:2016 Plastics Methods of exposure to laboratory light sources Part 3: Fluorescent UV lamps
    EN ISO 4628-6:2011 Paints and varnishes - Evaluation of degradation of coatings - Designation of quantity and size of defects, and of intensity of uniform changes in appearance - Part 6: Assessment of degree of chalking by tape method (ISO 4628-6:2011)
    ISO 4628-6:2011 Paints and varnishes — Evaluation of degradation of coatings — Designation of quantity and size of defects, and of intensity of uniform changes in appearance — Part 6: Assessment of degree of chalking by tape method
    EN ISO 2810:2004 Paints and varnishes - Natural weathering of coatings - Exposure and assessment (ISO 2810:2004)
    ISO 554:1976 Standard atmospheres for conditioning and/or testing — Specifications
    EN ISO 4628-5:2016 Paints and varnishes - Evaluation of degradation of coatings - Designation of quantity and size of defects, and of intensity of uniform changes in appearance - Part 5: Assessment of degree of flaking (ISO 4628-5:2016)
    ISO 2409:2013 Paints and varnishes Cross-cut test
    EN ISO 2808:2007 Paints and varnishes - Determination of film thickness (ISO 2808:2007)
    ISO 4628-2:2016 Paints and varnishes Evaluation of degradation of coatings Designation of quantity and size of defects, and of intensity of uniform changes in appearance Part 2: Assessment of degree of blistering
    ISO 2813:2014 Paints and varnishes — Determination of gloss value at 20°, 60° and 85°
    EN ISO 2813:2014 Paints and varnishes - Determination of gloss value at 20°, 60° and 85° (ISO 2813:2014)
    EN 927-3:2012 Paints and varnishes - Coating materials and coating systems for exterior wood - Part 3: Natural weathering test
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