Overview
SIST EN ISO 2417:2026, titled “Leather - Physical and mechanical tests - Determination of the static absorption of water (ISO 2417:2025)” establishes a standardized method for determining the amount of water absorbed by leather under static conditions. Published jointly by the Slovenian Institute for Standardization (SIST), the International Organization for Standardization (ISO), and the European Committee for Standardization (CEN), this standard is crucial for assessing the water resistance and absorbency of leather materials, particularly heavy leather.
The document replaces the previous edition (EN ISO 2417:2016) and aligns the testing process with updated international practices. The standardized procedure ensures uniform testing and reporting, facilitating objective comparison across different leathers and supporting quality assurance in the leather industry.
Key Topics
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Scope and Applicability
- The test method described is suitable for all types of leather, with particular relevance for heavy leather products.
- It provides clear guidance on specimen selection, test piece preparation, and conditioning.
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Test Principle
- Leather samples are weighed or measured for volume and then immersed in water for defined periods.
- The volume of water absorbed is determined using precise laboratory equipment.
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Required Apparatus
- Kubelka apparatus for controlled immersion and measurement.
- Precise balances and press knives for accurate sample preparation.
- Use of distilled or de-ionized water to standardize the conditions.
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Test Procedure
- Conditioning of leather according to ISO 2419.
- Multiple immersion intervals may be used (e.g., 15 min, 30 min, 60 min, 120 min, and 24 hours).
- Clear instructions for measuring and calculating water absorption in both weight (ml/100g) and volume percentages (ml/100ml).
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Reporting Requirements
- All test results must reference ISO 2417:2025 and include specimen details, test conditions, calculations, and any deviations from the standard method.
- Comprehensive documentation enhances traceability and reproducibility.
Applications
SIST EN ISO 2417:2026 is applied across several sectors and use-cases:
Related Standards
SIST EN ISO 2417:2026 references and relates to several other standards to provide a complete framework for physical and mechanical testing of leather, including:
- ISO 2418: Leather - Chemical, physical, mechanical and fastness tests - Position and preparation of specimens for testing
- ISO 2419: Leather - Physical and mechanical tests - Specimen and test piece conditioning
- ISO 2420: Leather - Physical and mechanical tests - Determination of apparent density and mass per unit area
- ISO 3696: Water for analytical laboratory use - Specification and test methods
These related standards ensure consistency in how tests are conducted, results are expressed, and reports are prepared, supporting the overall reliability of leather testing in accordance with ISO 2417:2025.
Keywords: SIST EN ISO 2417:2026, ISO 2417:2025, leather testing, water absorption of leather, static absorption test, leather quality control, leather standards, leather industry, mechanical tests, heavy leather, ISO standards, CEN standards, leather physical tests, leather performance evaluation.
