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ASTM D2692/D2692M-10(2014)
Standard Test Method for Air Wicking of Tire Fabrics, Tire Cord Fabrics, Tire Cord, and Yarns
STANDARD published on 15.5.2014
The information about the standard:
Designation standards: ASTM D2692/D2692M-10(2014)
Note: WITHDRAWN
Publication date standards: 15.5.2014
SKU: NS-21172
The number of pages: 5
Approximate weight : 15 g (0.03 lbs)
Country: American technical standard
Category: Technical standards ASTM
Annotation of standard text ASTM D2692/D2692M-10(2014) :
Keywords:
air wicking, chafer fabrics, tire fabrics, ICS Number Code 83.160.01 (Tyres in general)
Additional information
| Significance and Use | ||||||
|
5.1 This test method is considered satisfactory for the acceptance testing of commercial shipments of tire fabrics since this test method has been used extensively in the trade for acceptance testing. This test method is also considered satisfactory for quality control. 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 should then be randomly assigned in equal numbers to each laboratory for testing. The average results from the two laboratories may be compared using appropriate statistical analysis 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 with consideration to the known bias. 5.2 This test method is applicable for testing the air permeability of any fabric that is embedded in a rubber compound, but is particularly useful when testing chafer fabrics to be used in a tubeless tire construction. In tubeless tires, chafer fabric yarns that are not wick proof represent potential channels for air to pass through, and thus, this test method provides a prediction of chafer permeability. 5.3 Evaluation of air wicking in other fabric and cord components in such products as tires, rubber brake diaphragms, and pneumatic hoses, is useful. |
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| 1. Scope | ||||||
|
1.1 This test method covers the determination of longitudinal air permeability for tire fabrics, tire cord fabrics, tire cords, or yarns embedded in cured rubber compound. This test method is designed to demonstrate the effectiveness of fabric treatments intended to prevent air permeability. This test method is applicable to fabrics made from all types of fibers with all types of rubber compound. 1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the 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 and health practices and determine
the applicability of regulatory limitations prior to use.
Standard Terminology Relating to Tire
Cord, Bead Wire, Hose Reinforcing Wire, and Fabrics Standard Practice for Rubber—Materials,
Equipment, and Procedures for Mixing Standard Compounds and
Preparing Standard Vulcanized Sheets (Includes all amendments and
changes 11/12/2021). Standard Terminology Relating to
Textiles |
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