EUROLAB
iso-4047-leather-determination-of-dye-content
Leather Chemical & Physical Tests ASTM D1119 Standard Test Method for Ash Content in LeatherASTM D2061 Standard Test Method for Shrinkage Temperature of LeatherASTM D2097 Color Fastness Testing of LeatherASTM D2097 Standard Test Method for Flex Resistance of LeatherASTM D2204 Standard Guide for Sampling Leather for TestingASTM D2206 Standard Test Method for Thickness of LeatherASTM D2209 Standard Test Method for Tensile Strength of LeatherASTM D2240 Standard Test Method for Water RepellencyASTM D2616 Standard Test Method for Density of LeatherASTM D3359 Standard Test Method for Adhesion of CoatingsASTM D3456 Standard Test Method for Fat Content in LeatherASTM D3456 Standard Test Method for Fat LiquoringASTM D3725 Standard Test Method for Chromium Content in LeatherASTM D3795 Standard Test Method for Water Vapor Permeability of LeatherASTM D4039 Standard Test Method for Grain Crack Strength of LeatherASTM D4138 Standard Test Method for Dye Content of LeatherASTM D4312 Standard Test Method for Chromium(VI) in LeatherASTM D4705 Standard Test Method for Tear Resistance of LeatherASTM D5058 Standard Test Method for pH Value of LeatherASTM D5070 Standard Test Method for Colorfastness to RubbingASTM D5196 Standard Test Method for Formaldehyde Content of LeatherASTM D5197 Standard Test Method for Free Formaldehyde ContentASTM D5729 Standard Test Method for Thickness MeasurementASTM D573 Standard Test Method for Shrinkage Temperature of LeatherASTM D6246 Standard Test Method for Chemical Residues in LeatherASTM D6247 Standard Test Method for Chlorophenols in LeatherASTM D6297 Standard Test Method for Colorfastness of LeatherASTM D6547 Standard Test Method for Sulfur Compounds in LeatherASTM F726 Standard Practice for Testing Leather for CytotoxicityASTM F813 Standard Practice for Cytotoxicity Testing of LeatherISO 105-A01 Leather — Test for color fastness to waterISO 105-B02 Leather — Test for color fastness to artificial lightISO 105-X12 Leather — Test for color fastness to rubbingISO 10993-10 Leather — Biological Evaluation for Skin IrritationISO 10993-5 Leather — Biological Evaluation for CytotoxicityISO 11998 Leather — Determination of Formaldehyde ContentISO 12586 Leather — Determination of Sulfur CompoundsISO 14370 Leather — Determination of Free FormaldehydeISO 14372 Leather — Determination of ChlorophenolsISO 17075 Leather — Determination of Chromium(VI) ContentISO 17234 Leather — Determination of Restricted SubstancesISO 20108 Leather — Determination of Chromium ContentISO 2409 Leather — Testing of Coating AdhesionISO 2412 Leather — Measurement of ThicknessISO 2414 Leather — Determination of Shrinkage TemperatureISO 2415 Leather — Physical and mechanical tests — Determination of tensile strength and elongationISO 2416 Leather — Chemical tests — Determination of Fat ContentISO 2416 Leather — Determination of Fat LiquoringISO 2417 Leather — Chemical tests — Determination of pH valueISO 2418 Leather — Determination of Water ContentISO 2418 Leather — SamplingISO 2419 Leather — Determination of Water Vapor PermeabilityISO 2419 Leather — Physical and mechanical tests — Sample preparation and conditioningISO 2431 Leather — Determination of Water ResistanceISO 2439 Leather — Determination of Flex ResistanceISO 4044 Leather — Determination of Ash ContentISO 4045 Leather — Preparation of Test SpecimensISO 4674 Leather — Physical and mechanical tests — Determination of tear loadISO 5402 Leather — Determination of Grain Crack Resistance

ISO 4047 Leather Determination of Dye Content: Eurolabs Laboratory Testing Service

ISO 4047 is an international standard that specifies the method for determining the dye content of leather products. This standard is widely recognized and adopted by various industries, including fashion, automotive, and footwear. The standard provides a reliable and accurate means of determining the amount of dyes used in the production of leather goods.

The Legal and Regulatory Framework

The use of ISO 4047 is mandatory for many industries, particularly those regulated by laws such as the European Unions REACH (Registration, Evaluation, Authorisation, and Restriction of Chemicals) regulation. This regulation requires manufacturers to provide detailed information on the chemical composition of their products, including dyes.

In addition, various national standards have been developed based on ISO 4047. For example, the American Society for Testing and Materials (ASTM) has published a similar standard, ASTM D1600-10, which provides a method for determining the dye content of leather products.

International and National Standards

ISO 4047 is part of a larger family of standards developed by the International Organization for Standardization (ISO). Other relevant standards include:

  • ISO 105: Textiles Tests for color fastness
  • ISO 14143: Leather Determination of tensile properties
  • ASTM D1600-10: Standard test method for determining dye content of leather
  • National standards that have been developed based on ISO 4047 include:

  • EN 1814: Safety of machinery Requirements for the determination of the upper limit of the accuracy (class) of measurements given by measuring instruments or systems
  • TSE 1112: Leather products Determination of dye content
  • Standard Development Organizations

    The development and maintenance of standards like ISO 4047 are overseen by standard development organizations, such as:

  • International Organization for Standardization (ISO)
  • American Society for Testing and Materials (ASTM)
  • European Committee for Standardization (CEN)
  • These organizations work together to ensure that standards remain up-to-date and relevant to the needs of industry.

    How Standards Evolve and Get Updated

    Standards like ISO 4047 are regularly reviewed and updated to reflect changes in technology, legislation, or market demand. This process typically involves:

    1. Identification of issues or areas for improvement

    2. Development of a new draft standard

    3. Public review and comment period

    4. Approval and publication of the revised standard

    Specific Standard Numbers and Their Scope

    The scope of ISO 4047 is defined as follows:

  • This International Standard specifies a method for determining the dye content of leather products.
  • Relevant standard numbers include:

  • ISO 4047:2015(E)
  • ASTM D1600-10
  • EN 1814
  • Standard Compliance Requirements for Different Industries

    Compliance with standards like ISO 4047 is mandatory in various industries, including:

  • Fashion and textiles
  • Automotive
  • Footwear
  • Leather goods
  • Non-compliance can result in legal penalties, fines, or even product recalls.

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