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ASTM D4771-19

(Specification)

Standard Performance Specification for Knitted Upholstery Fabrics for Indoor Furniture

Standard Performance Specification for Knitted Upholstery Fabrics for Indoor Furniture

ABSTRACT
This performance specification covers the performance requirements for knitted upholstery fabrics as used in the manufacture of new indoor furniture for general domestic use. These requirements apply to both the wale and course directions for those factors where each fabric direction is pertinent. This performance specification is not applicable to fabrics used in contract, porch, deck, or lawn furniture; nor for woven fabrics, bonded or laminated fabrics, or surface-coated fabrics (such as vinyls and urethanes). The fabric shall be tested for its resistance to yarn slippage, dimensional change, and colorfastness to water, solvent, crocking, burnt gas fumes, light, and ozone. After the fabric has been tested, it shall be evaluated for any change in hand, character, or appearance. The fabric shall be evaluated for cracking or peeling of the back coating to check the coating durability. The fabric flammability shall also be tested. All upholstery fabrics shall be evaluated for cigarette ignition resistance.
SIGNIFICANCE AND USE
5.1 Fabrics intended for this end-use should meet all of the requirements listed in Table 1.  
5.2 It should be recognized that fabrics can be produced utilizing an almost infinite number of combinations of construction variables (for example, type of fibers, percentage of fibers, yarn twist, yarn number, warp and pick count, chemical and mechanical finishes.) Additionally, fashion or aesthetics dictate that the ultimate consumer may find acceptable articles made from fabrics that do not conform to all of the requirements in Table 1.  
5.2.1 Hence, no single performance specification can possibly apply to all the various fabrics that could be utilized for this end-use.  
5.3 The uses and significance of particular properties and test method are discussed in the appropriate sections of the specified test methods.
SCOPE
1.1 This performance specification covers the performance requirements for knitted upholstery fabrics as used in the manufacture of new indoor furniture for general domestic use. These requirements apply to both the wale and course directions for those factors where each fabric direction is pertinent.  
1.2 This performance specification is not applicable to fabrics used in contract, porch, deck, or lawn furniture; nor for woven fabrics, bonded or laminated fabrics, or surface-coated fabrics (such as vinyls and urethanes).  
1.3 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.  
1.4 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. See Note 2. See 6.4.1 for a specific warning.  
1.5 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.

General Information

Status
Published
Publication Date
14-Jan-2019
ICS
59.080.30 - Textile fabrics
97.140 - Furniture
Technical Committee
D13 - Textiles
Drafting Committee
D13.63 - Home Furnishings
Current Stage
Ref Project

Relations

Refers
ASTM D123-15 - Standard Terminology Relating to Textiles
Effective Date
01-Apr-2015
Refers
ASTM D123-15a - Standard Terminology Relating to Textiles
Effective Date
01-Sep-2015
Refers
ASTM D123-15b - Standard Terminology Relating to Textiles
Effective Date
15-Sep-2015
Refers
ASTM D7023-06(2018) - Standard Terminology Relating to Home Furnishings
Effective Date
01-Jul-2018
Refers
ASTM D123-17 - Standard Terminology Relating to Textiles
Effective Date
01-Mar-2017
Referred By
ASTM D4852-18 - Standard Practice for Evaluation of Attached Upholstery Fabrics
Effective Date
15-Jan-2019

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ASTM D4771-19 - Standard Performance Specification for Knitted Upholstery Fabrics for Indoor FurnitureASTM D4771-19 - Standard Performance Specification for Knitted Upholstery Fabrics for Indoor Furniture
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ASTM D4771-19 - Standard Performance Specification for Knitted Upholstery Fabrics for Indoor Furniture
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Standards Content (Sample)

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.
Designation:D4771 −19
Standard Performance Specification for
1
Knitted Upholstery Fabrics for Indoor Furniture
This standard is issued under the fixed designation D4771; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
3
1. Scope Method) (Withdrawn 2001)
D7023 Terminology Relating to Home Furnishings
1.1 This performance specification covers the performance
4
2.2 AATCC Standards:
requirements for knitted upholstery fabrics as used in the
TM8 Colorfastness to Crocking: Crockmeter Method
manufacture of new indoor furniture for general domestic use.
TM16.2 Colorfastness to Light: Carbon-Arc
These requirements apply to both the wale and course direc-
TM16.3 Colorfastness to Light: Xenon-Arc
tions for those factors where each fabric direction is pertinent.
TM23 Colorfastness to Burnt Gas Fumes
1.2 This performance specification is not applicable to
TM107 Colorfastness to Water
fabrics used in contract, porch, deck, or lawn furniture; nor for
TM116 Colorfastness to Crocking: Rotary Vertical Crock-
woven fabrics, bonded or laminated fabrics, or surface-coated
meter Method
fabrics (such as vinyls and urethanes).
TM129 Colorfastness to Ozone in the Atmosphere Under
High Humidities
1.3 The values stated in inch-pound units are to be regarded
EP1 Gray Scale for Color Change
as standard. The values given in parentheses are mathematical
EP8 Chromatic Transference Scale, 9-Step
conversions to SI units that are provided for information only
2.3 Federal Standard:
and are not considered standard.
16CFR, Chapter II-Consumer Product Safety Commission,
1.4 This standard does not purport to address all of the
5
Subchapter D-Flammable Fabrics Act Regulations
safety concerns, if any, associated with its use. It is the
2.4 Military Standard:
responsibility of the user of this standard to establish appro-
ASQ/ANSI Z1.4 Sampling Procedures and Tables for In-
priate safety, health, and environmental practices and deter-
6
spection by Attributes
mine the applicability of regulatory limitations prior to use.
2.5 Other Documents:
See Note 2. See 6.4.1 for a specific warning.
Joint Industry Knit Upholstery Fabric Standards and Guide-
1.5 This international standard was developed in accor-
7
lines
dance with internationally recognized principles on standard-
8
Guides for the Household Furniture Industry
ization established in the Decision on Principles for the
9
California Bulletin 117
Development of International Standards, Guides and Recom-
UFAC Fabric Classification Test Method for Cigarette
mendations issued by the World Trade Organization Technical
10
Smolder Resistance
Barriers to Trade (TBT) Committee.
NOTE 1—Reference to test methods in this specification give only the
permanent part of the designation of ASTM, AATCC, or other test
2. Referenced Documents
2
2.1 ASTM Standards:
3
The last approved version of this historical standard is referenced on
D123 Terminology Relating to Textiles
www.astm.org.
D4033 Test Method for Resistance to Yarn Slippage at the
4
Available from American Association of Textile Chemists and Colorists
Sewn Seam in Upholstery Fabrics (Dynamic Fatigue
(AATCC), P.O. Box 12215, Research Triangle Park, NC 27709, http://
www.aatcc.org.
5
Available from Superintendent of Documents, U.S. Government Printing
Office, Washington, DC 20402.
1 6
This performance specification is under the jurisdiction of ASTM Committee AvailablefromStandardizationDocumentsOrderDesk,Bldg.4SectionD,700
D13 on Textiles and is the direct responsibility of Subcommittee D13.63 on Home Robbins Ave., Philadelphia, PA 19111-5094, Attn: NPODS.
7
Furnishings. Issued 1980, available from American Furniture Manufacturers Association,
Current edition approved Jan. 15, 2019. Published February 2019. Originally Box HP-7, High Point, NC 27261.
8
approvedin1988.Lastpreviouseditionapprovedin2009asD4771 – 09whichwas AvailablefromtheBureauofConsumerProtection,FederalTradeCommission,
withdrawn January 2018 and reinstated in February 2019. DOI: 10.1520/D4771-19. Washington, DC 20580. Promulgated by the FTC on Dec. 21, 1973, to be effective
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or on March 21, 1974.
9
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Available from California Department of Consumer Affairs, Bureau of Home
Standards volume information, refer to the standard’s Document Summary page on Furnishings, 3485 Orange Grove Ave., North Highl
...

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Standard Test Method for Resistance to Yarn Slippage at the Sewn Seam in Woven Upholstery Fabrics

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5.1 Test Method D4034 for measuring the resistance to fabric yarn slippage is considered satisfactory for acceptance testing of woven upholstery fabrics.  
5.1.1 In case of disagreement arising from differences in values reported by the purchaser and the supplier when using this test method for acceptance testing, the statistical bias, if any, between the laboratory of the supplier and the laboratory of the purchaser should be determined with comparisons being based on the testing of specimens taken from a lot of material of the type evaluated to be as nearly homogeneous as possible and then randomly assigned in equal numbers to each of the laboratories.  
5.2 This test method is intended to measure fabric yarn slippage at the sewn seam in upholstery fabrics under controlled conditions. This test method may not indicate actual field performance.  
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1.1 This test method measures the resistance to slippage of warp yarns over filling yarns, or filling yarns over warp yarns, in woven upholstery fabrics, using a specific standard seam assembly by comparing the differences in test curves from a sewn and unsewn sample.
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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.  
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ABSTRACT
This performance specification covers the performance requirements for plain, tufted, or flocked woven upholstery fabrics as used in the manufacture of new indoor furniture. These requirements apply to both the warp and filling directions for those factors where each fabric direction is pertinent. Tests shall be made to determine the properties of the material in accordance with the following test methods: breaking strength; tear strength; resistance to yarn slippage; surface abrasion; dimensional change; colorfastness to water; colorfastness to solvent; colorfastness to burnt gas fumes; colorfastness to crocking; colorfastness to light; colorfastness to ozone; durability of back coating; flammability; and FTC requirements.
SIGNIFICANCE AND USE
4.1 Fabrics intended for this end-use should meet all of the requirements listed in Table 1. (A) For guideline purposes see 6.4.1.(B) Class in the colorfastness requirements is based on a numerical scale of 5 for negligible for no colorchange or color transfer to 1 for very severe color change or color transfer.(C) For guidelines purposes—See Section 6.6.2.(D) AATCC Gray Scale for Color Change.(E) AATCC 9-Step Chromatic Transference Scale.  
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4.2.1 Hence, no single performance specification can possibly apply to all the various fabrics that could be utilized for this end-use.  
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SCOPE
1.1 This performance specification covers the performance requirements for plain, tufted, or flocked woven upholstery fabrics as used in the manufacture of new indoor furniture. These requirements apply to both the warp and filling directions for those factors where each fabric direction is pertinent.  
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1.4 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.  
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SIGNIFICANCE AND USE
5.1 Test Method D4034 for measuring the resistance to fabric yarn slippage is considered satisfactory for acceptance testing of woven upholstery fabrics.  
5.1.1 In case of disagreement arising from differences in values reported by the purchaser and the supplier when using this test method for acceptance testing, the statistical bias, if any, between the laboratory of the supplier and the laboratory of the purchaser should be determined with comparisons being based on the testing of specimens taken from a lot of material of the type evaluated to be as nearly homogeneous as possible and then randomly assigned in equal numbers to each of the laboratories.  
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1.1 This test method measures the resistance to slippage of warp yarns over filling yarns, or filling yarns over warp yarns, in woven upholstery fabrics, using a specific standard seam assembly by comparing the differences in test curves from a sewn and unsewn sample.
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Standard Performance Specification for Woven Upholstery Fabrics—Plain, Tufted, or Flocked

ABSTRACT
This performance specification covers the performance requirements for plain, tufted, or flocked woven upholstery fabrics as used in the manufacture of new indoor furniture. These requirements apply to both the warp and filling directions for those factors where each fabric direction is pertinent. Tests shall be made to determine the properties of the material in accordance with the following test methods: breaking strength; tear strength; resistance to yarn slippage; surface abrasion; dimensional change; colorfastness to water; colorfastness to solvent; colorfastness to burnt gas fumes; colorfastness to crocking; colorfastness to light; colorfastness to ozone; durability of back coating; flammability; and FTC requirements.
SIGNIFICANCE AND USE
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SCOPE
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SCOPE
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5.1.1 Because of the variability of the arc exposure, different heat transmission values are observed at individual sensors. Evaluate the results of each sensor in accordance with Section 12.  
5.2 This test method maintains the specimen in a static, vertical position and does not involve movement except that resulting from the exposure.  
5.3 This test method specifies a standard set of exposure conditions. Different exposure conditions have the potential to produce different results. In addition to the standard set of exposure conditions, other conditions are allowed and shall be documented in the reporting of the testing results.
SCOPE
1.1 This test method is used to determine the arc rating of hand protective products in the form of gloves, glove materials, glove material systems, or other protective products designed to fit on the hand and specifically intended for electric arc flash protection use as protective accessories for workers exposed to electric arcs. The arc rating is determined in the test with an arc that has a heat flux value of 2100 kW/m2 [50 cal/cm2/s].  
1.2 This test method will determine the arc rating of hand protective products made of materials that meet the following requirements for flame resistance: less than 150 mm [6 in.] char length, less than 2 s afterflame and no melt and drip when tested in accordance with Test Method D6413, receive a reported 50 % probability of ignition of a material or flammable underlayer (see definition of ignition50) by this method, or that have been evaluated and pass the ignition withstand requirements of this test method.  
1.2.1 It is the intent of this test method to be used for hand protective products that are flame resistant or that have an adequate flame resistance for the required hazard (see 1.2). Non-flame resistant hand protective products may be used as under layers in multiple-layer systems or tested for ignition probability or ignition withstand.  
1.2.2 Hand protective products tested by this test method are new and ratings received by this method may be reduced or eliminated by hydrocarbon loading (gasoline, diesel fuel, transformer oil, etc.), sweat, dirt, grease, or other contaminants. The end user takes responsibility for use of hand protective products tested by this method when contaminated in such a manner that could reduce or eliminate the arc rating of the hand protective products.  
1.2.3 This test method is designed to provide information for gloves used for electric arc protection only. This test method is not suitable for determining electrical protective properties of hand protective products.  
1.3 This test method is used to measure and describe the properties of hand protective products in response to convective and radiant energy generated by an electric arc under controlled laboratory conditions.  
1.4 This test method does not apply to electrical contact or electrical shock hazards.  
1.5 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other, and values from the two systems shall not be combined  
1.6 This standard shall not be used to describe or appraise the fire hazard or fire risk of materials, products, or assemblies under actual fire conditions. However, results of this test may be used as elements of a fire assessment that takes into account all of the factors, which are pertinent to an assessment of the fire hazard of a particular end use.  
1.7 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 s...

  • Standard
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  • Standard
    14 pages
    English language
    sale 15% off