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Standard Test Methods for Backing Fabric Characteristics of Pile Yarn Floor Coverings
Automaticky preložený názov:
Štandardných testovacích metód pre zálohovanie Fabric Charakteristika Pile priadze podlahových krytín
NORMA vydaná dňa 1.8.2011
Označenie normy: ASTM D2646-11
Poznámka: NEPLATNÁ
Dátum vydania normy: 1.8.2011
Kód tovaru: NS-21008
Počet strán: 4
Približná hmotnosť: 12 g (0.03 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Keywords:
carpet, extractable matter, knitted fabric, nonwoven fabric, pile yarn floor covering, primary backing, secondary backing, shrinkage, woven fabric, ICS Number Code 59.080.30 (Textile fabrics)
Significance and Use | ||||||||||||||||||||||
These test methods may be used for acceptance testing of commercial shipments; however, caution is advised because information about between interlaboratory precision is incomplete. Comparative tests as directed in 5.1.1 may be advisable. 5.1.1 If there are differences of practical significance between reported test results for two laboratories (or more), comparative tests should be performed to determine if there is statistical bias between them using competent statistical assistance. As a minimum, use test samples for such comparative tests that are as homogeneous as possible, drawn from the same lot of material as the samples that resulted in the disparate results during initial testing, and that are randomly assigned in equal numbers to each laboratory for testing. The test results from the laboratories should be compared using statistical test for unpaired data at a probability level chosen prior to the testing series. If a bias is found either its cause must be found and corrected, or future test results for that material must be adjusted in consideration of the known bias. These test methods are useful to evaluate quality and cost control during the manufacture of pile yarn floor covering. The significance and uses of particular properties and test methods are discussed in the appropriate sections of the specified test methods. |
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1. Scope | ||||||||||||||||||||||
1.1 These test methods cover the procedures listed as follows for testing woven, knitted and nonwoven backing fabrics designed for use in the manufacture of pile yarn floor coverings. The procedures appear in the following order: 1.2 The values stated in SI units are to be regarded as standard. The values in inch-pound units are provided as information only and are not exact equivalents. In case of referee decisions, the SI units will prevail. 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. |
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2. Referenced Documents | ||||||||||||||||||||||
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