ASTM D4966-22 PDF
Standard Test Method for Abrasion Resistance of Textile Fabrics (Martindale Abrasion Tester Method)
Standard Test Method for Abrasion Resistance of Textile Fabrics (Martindale Abrasion Tester Method)
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Количество страниц:
- 5
- Дата публикации:
- 1 ноября 2022 г.
- Издание:
- D4966
- ICS:
- 59.080.30
SIGNIFICANCE AND USE 5.1 Acceptance Testing—this test method is not considered satisfactory for acceptance testing of commercial shipments of fabric. The between-laboratory precision of this test method is poor and, because of the nature of abrasion testing itself, technicians frequently fail to obtain results in agreement on the same type of testing instrument, both within and between laboratories. Although this test method is not recommended for acceptance testing, it is useful because it is used widely, especially outside the United States. 5.1.1 In case of a dispute arising from differences in reported test results when using this test method for acceptance testing of commercial shipments, the purchaser and the supplier should conduct comparative tests to determine if there is a statistical bias between their laboratories. Competent statistical assistance is recommended for the investigation of bias. As a minimum, the two parties should take a group of test specimens that are as homogeneous as possible and that are from a lot of material of the type in question. The test specimens then should be assigned randomly in equal numbers to each laboratory for testing. The average results from the two laboratories should be compared using Students t-test for unpaired data and an acceptable probability level chosen by the two parties before the testing is begun. If a bias is found, either its cause must be found and corrected or the purchaser and the supplier must agree to interpret future test results in light of the known bias. 5.2 The resistance to abrasion also is affected greatly by the conditions of the tests, such as the nature of abradant; variable action of the abradant over the area of specimen abraded, the tension on the specimen, the pressure between the specimen and abradant, and the dimensional changes in the specimen. 5.3 Abrasion tests are all subject to variation due to changes in the abradant during specific tests. The abradant must be changed accordingly at freque... SCOPE 1.1 This test method covers the determination of the abrasion resistance of textile fabrics using the Martindale abrasion tester. The method is generally applicable to knit, woven, and nonwoven fabrics; however, material thickness may limit suitability for testing due to specimen holder capacity. 1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. 1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. Note 1: For other current test methods of testing the abrasion resistance of textiles refer to Test Methods D3884, D3885, D3886, D4157, D4158, and AATCC TM93. 1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Abstract
Overview
ASTM D4966-22 is a widely recognized standard established by ASTM International for determining the abrasion resistance of textile fabrics using the Martindale Abrasion Tester Method. Applicable to a broad range of textiles, including knit, woven, and nonwoven fabrics, this test method evaluates how well fabrics withstand surface wear over time when subjected to repeated rubbing under controlled conditions.
Though not recommended for acceptance testing of commercial shipments-due to variability between laboratories-ASTM D4966 is extensively used globally to compare the relative abrasion resistance of different textile materials. The test is especially relevant in research and development, quality assurance, and product comparison for manufacturers, suppliers, and end users within the textile industry.
Key Topics
- Abrasion Resistance Testing: The Martindale tester simulates real-life wear by rubbing fabric samples in a precise, controlled manner and evaluates their resistance to surface abrasion.
- Applicable Materials: Suitable for most textile types, including apparel fabrics, upholstery materials, household textiles, and some industrial textiles. Materials with excessive thickness or deep pile may not be suitable for the Martindale specimen holder.
- Testing Variables: Key factors affecting test results include the type and condition of the abradant, the pressure applied, sample tension, and the test environment (temperature and humidity).
- Evaluation Methods:
- Yarn Breakage: Determining the number of cycles until yarns rupture (woven) or holes appear (knit).
- Appearance Change: Assessment of color change, loss of texture, or other visible alterations using scales such as the AATCC gray scale.
- Mass Loss: Measuring and reporting the weight loss of specimens before and after abrasion cycles.
- Limitations: The method’s precision can be affected by operator technique, machine calibration, and laboratory differences. For disputes, comparative testing and statistical analysis are recommended.
Applications
ASTM D4966-22 is vital for:
- Product Development: Assessing and comparing the durability of new fabric constructions or finishes.
- Quality Assurance: Evaluating finished products to ensure they meet durability specifications for abrasion resistance.
- Comparative Analysis: Benchmarking against competitor products or validating supplier claims.
- Research: Investigating wear properties of textiles for technical and scientific studies.
- End-Use Suitability: Ensuring that textiles used in upholstery, apparel, automotive interiors, or hospitality settings withstand regular wear.
While not suitable for contractual acceptance testing due to reproducibility limitations, this standard offers valuable insights into wear performance and supports data-driven decisions for fabric engineering and selection.
Related Standards
For comprehensive textile abrasion testing, consider these ASTM and AATCC standards:
- ASTM D3884: Abrasion Resistance (Rotary Platform Abrader Method)
- ASTM D3885: Abrasion Resistance (Flexing and Abrasion Method)
- ASTM D3886: Abrasion Resistance (Inflated Diaphragm Apparatus)
- ASTM D4157: Abrasion Resistance (Oscillatory Cylinder Method)
- ASTM D4158: Guide for Uniform Abrasion
- AATCC TM93: Abrasion Resistance of Fabrics: Accelerator Method
Keywords: abrasion resistance, textile fabrics, Martindale Abrasion Tester, woven fabric, knit fabric, ASTM D4966, fabric durability, quality testing, textile standards, fabric performance.
Технические детали
- Технический комитет
- D13 - Textiles
- SKU
- ASTM D4966-22
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