ASTM D3389 Standard Test Method for Coated Fabrics Abrasion Resistance

 Get Certified ASTM D3389 for Reliable Coated Fabric Performance 

Coated fabrics have a wide range of applications where durability and resistance to surface wear are required, such as automotive interiors, furniture upholstery, and protective clothing. Their durability over time is crucial for their performance. Accredited laboratory testing per ASTM D3389 can be used to verify that a coated fabric product will retain integrity over extended use. Certified testing helps manufacturers confirm the formulations of their products, helps to support their quality assurance programs and gives specifiers peace of mind that they are choosing the right coated fabric for the right job with confidence that the product will deliver throughout its service life. 

The scope of ASTM D3389  includes-

• Material type: Fabrics coated with rubber or plastics, such as PVC coated polyester, vinyl coated polyester, PU coated textiles, rubber coated fabrics . 
• Purpose: The primary role is to measure the wear resistance to abrasion of coated fabrics, which may be related to end use performance. 
• Elements analyzed: Mass loss (weight loss), Number of cycles to coating wear through, Visual damage assessment. 
• Method: Operator weighs and sets the specimen on the abrasion machine using H-18 calibrated wheels , applies a 1,000 g load to each wheel, and drops them onto the specimen. The operator terminates the test when yarn is exposed or the number of cycles specified, and reweighs the specimen to measure the mass loss.
• Result: A test result is used to create an abrasive wear index that is expressed as mass loss or number of cycles to endpoint. 
• Test Limitations: Test conditions, abradant type, abradant pressure, specimen mounting or tension, and type, kind, or quantity of finishing materials may affect resistance to abrasion. 
• Environmental conditions: The specimens are conditioned in standard laboratory conditions prior to testing. Test conducted under controlled conditions as per the standard. 
• Applications: Quality control in manufacturing, specification compliance of materials, product development, comparative testing of coated fabrics, automotive, furniture and protective clothing industries. 

What are the Uses of ASTM D3389 Testing?

The ASTM D3389 test is a standardized test that assesses the abrasion resistance of coated fabrics. This is especially important in applications where coated fabrics come into contact with surface abrasion such as protective clothing, furniture upholstery and automotive interior applications. Abrasion resistance tests determine a material’s wear-resistance characteristics and may relate to end-use performance. Engineers, manufacturers, and specifiers use these results to evaluate durability, compare products, use for quality control, select materials, confirm compliance to specifications, and create new products. The standardized procedure gives a comparative ranking of material performance, which can be used as an indication of the relative end-use performance. 

What Materials Can Be Tested Under ASTM D3389? 

ASTM D3389 is specifically designed for fabrics coated with rubber or plastics. These consist of PVC-coated polyester, vinyl-coated polyester, polyurethane-coated textiles, and rubber-coated fabrics. The test method is applicable to a wide range of coated fabric types used in various applications, provided they can be appropriately mounted and tested within the rotary platform abrader apparatus. 

Why is ASTM D3389 Important? 

ASTM D3389 is significant because it provides a controlled, reproducible way to evaluate coated fabric abrasion resistance. Coated fabric abrasion resistance is incredibly important for products’ longevity and performance in many end uses. Abrasion resistance often correlates with durability in use, but the correlation can vary by application, and many factors may be needed to estimate expected durability from specific abrasion data. The standard allows engineers and specifiers to anticipate performance, maintain long-term integrity, reduce risk and contribute to the quality of the product. 

ASTM D3389 Testing Process and Data Collection

The testing process consists of sample preparation, sample weighing, mounting, abrasion testing, and data analysis. Pre-test weight is taken, and the specimen is placed in the abrading machine. Abrasive wheels are used under load to generate controlled wear cycles. Specimens are checked periodically, and testing ends when the first yarn exposure occurs or for a designated number of cycles. The test results are used to calculate an abrasive wear index; the particles are reweighed to calculate the mass loss due to abrasion. 

Common Challenges and Troubleshooting

Abrasion characteristics of coated fabrics may be influenced by test conditions, abrasant type, pressure of the fabric against the abradant, mounting or tension of the fabric, and abrasant finishing materials type, kind, and quantity. The degree of relative abrasion can vary depending on how it is measured and may be influenced by the operator’s judgment during the measurement process. The possible variations in results are dependent on changes in operating conditions within the range for which the test method is accepted and are important. Troubleshooting includes routine equipment calibration, procedures and control tests.

• The abrasive wear index obtained from test results is given in the report.
• The mass loss or number of cycles to expose the base fabric after the first application of the coating is measured.
• Those results are compared among various coated fabric products/coatings.
• The test method gives a comparative ranking of the performance of the materials and can give a guide to the relative end-use performance. 

Link to ASTM D3389