Standard Test Method for Pilling Resistance and Other Related Surface Changes of Textile Fabrics: Random Tumble Pilling Tester

SIGNIFICANCE AND USE
Acceptance Testing—This method of testing fabrics for resistance to pilling is not recommended for acceptance testing. If it is used for acceptance testing, it should be used with caution because the between-laboratory precision is poor. In some cases the purchaser and the supplier may have to test a commercial shipment of one or more specific materials by the best available test method, even though the test method is not recommended for acceptance testing.
If there are differences or practical significance between reported test results for two laboratories (or more), comparative tests should be performed to determine if there is a statistical bias between them, using competent statistical assistance. As a minimum, the test samples should be used that are as homogeneous as possible, drawn from the material from which the disparate test results were obtained, and randomly assigned in equal numbers to each laboratory for testing. Other materials with established test values may be used for this purpose. The test results from the two laboratories should be compared using a 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 must be adjusted in consideration of the known bias.
The pilling of textile fabrics is a very complex property because it is affected by many factors which may include type of fiber or blends, fiber dimensions, yarn and fabric construction, fabric finishing treatments and refurbishing method. Testing before refurbishing may be adviseable. The pilling resistance of a specific fabric in actual wear varies more with general conditions of use and individual wearers than in replicate fabric specimens subjected to controlled laboratory tests. This experience should be borne in mind when adopting levels of acceptability for any series of standards.  
Pills vary appreciably in size and appearance and depend on the presence...
SCOPE
1.1 This test method covers the resistance to the formation of pills and other related surface changes on textile fabrics using the random tumble pilling tester. The procedure is generally applicable to all types of woven and knitted apparel fabrics.
Note 1—For other test methods for the pilling resistance of textiles, refer to Test Methods D 3511, D 3514, and D 4970.  
1.2 Some fabrics that have been treated with a silicone resin may not be satisfactorily tested by this procedure because the silicone resin may transfer onto the cork liners in the test chamber and cause erroneous results.
1.3 The values stated in either SI units or inch-pound units are to be regarded separately as the standard. Within the text, the inch-pound units are to be regarded as the standard. Within the text, the inch-pound units are shown in parentheses. The values stated in each system are not exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with the specification.
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 and health practices and determine the applicability of regulatory limitations prior to use.

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ASTM D3512-07 - Standard Test Method for Pilling Resistance and Other Related Surface Changes of Textile Fabrics: Random Tumble Pilling Tester
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Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation:D3512–07
Standard Test Method for
Pilling Resistance and Other Related Surface Changes of
1
Textile Fabrics: Random Tumble Pilling Tester
This standard is issued under the fixed designation D3512; 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.
1. Scope D3514 Test Method for Pilling Resistance and Other Re-
lated Surface Changes of Textile Fabrics: Elastomeric Pad
1.1 This test method covers the resistance to the formation
D4850 Terminology Relating to Fabrics and Fabric Test
of pills and other related surface changes on textile fabrics
Methods
using the random tumble pilling tester. The procedure is
D4970 Test Method for Pilling Resistance and Other Re-
generally applicable to all types of woven and knitted apparel
lated Surface Changes of Textile Fabrics: Martindale
fabrics.
Tester
NOTE 1—For other test methods for the pilling resistance of textiles,
E104 Practice for Maintaining Constant Relative Humidity
refer to Test Methods D3511, D3514, and D4970.
by Means of Aqueous Solutions
1.2 Some fabrics that have been treated with a silicone resin
2.2 ASTM Adjuncts:
may not be satisfactorily tested by this procedure because the
12-435120-00 Set of 5 Photographic Standards for Random
3
silicone resin may transfer onto the cork liners in the test
Tumble Pilling Test
chamber and cause erroneous results.
3. Terminology
1.3 The values stated in either SI units or inch-pound units
are to be regarded separately as the standard. Within the text,
3.1 For all terminology related to D13.59, Fabric Test
the inch-pound units are to be regarded as the standard. Within
Methods, General, see Terminology D4850.
the text, the inch-pound units are shown in parentheses. The
3.1.1 Thefollowingtermsarerelevanttothisstandard:fuzz,
values stated in each system are not exact equivalents; there-
pilling resistance, pills.
fore, each system shall be used independently of the other.
3.2 For all other terminology related to textiles, see Termi-
Combining values from the two systems may result in noncon-
nology D123.
formance with the specification.
4. Summary of Test Method
1.4 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the 4.1 Pilling and other changes in surface appearance, such as
responsibility of the user of this standard to establish appro-
fuzzing, that occur in normal wear are simulated on a labora-
priate safety and health practices and determine the applica- tory testing machine. Pills are caused to form on fabric by a
bility of regulatory limitations prior to use.
random rubbing action produced by tumbling specimens in a
cylindrical test chamber lined with a mildly abrasive material.
2. Referenced Documents
Toformpillswithappearanceandstructurethatresemblethose
2
2.1 ASTM Standards:
produced in actual wear, small amounts of short-length gray
D123 Terminology Relating to Textiles
cotton fiber are added to each test chamber with the specimens.
D1776 Practice for Conditioning and Testing Textiles
The degree of fabric pilling is evaluated by comparison of the
D3511 Test Method for Pilling Resistance and Other Re-
tested specimens with visual standards that may be actual
lated Surface Changes of Textile Fabrics: Brush Pilling
fabrics, or photographs of fabrics, showing a range of pilling
Tester
resistance. The observed resistance to pilling is reported using
an arbitrary rating scale.
1
This test method is under the jurisdiction ofASTM Committee D13 onTextiles
5. Significance and Use
and is the direct responsibility of Subcommittee D13.60 on Fabric Test Methods,
5.1 Acceptance Testing—This method of testing fabrics for
Specific.
Current edition approved Dec. 1, 2007. Published January 2008. Originally resistancetopillingisnotrecommendedforacceptancetesting.
e1
approved in 1976. Last previous edition approved in 2007 as D3512 – 05(2007) .
If it is used for acceptance testing, it should be used with
DOI: 10.1520/D3512-07.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
3
Standards volume information, refer to the standard’s Document Summary page on Available from ASTM International Headquarters. Order Adjunct No.
the ASTM website. ADJD3512.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
D3512–07
caution because the between-laboratory precision is poor. In 5.5 This test method is applicable to a wide variety of
some cases the p
...

This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
e1
Designation:D3512–05 (Reapproved 2007) Designation:D3512–07
Standard Test Method for
Pilling Resistance and Other Related Surface Changes of
1
Textile Fabrics: Random Tumble Pilling Tester
This standard is issued under the fixed designation D 3512; 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 (e) indicates an editorial change since the last revision or reapproval.
1
e NOTE—Editorial changes were made in August 2007
1. Scope
1.1 This test method covers the resistance to the formation of pills and other related surface changes on textile fabrics using the
random tumble pilling tester. The procedure is generally applicable to all types of woven and knitted apparel fabrics.
NOTE 1—For other test methods for the pilling resistance of textiles, refer to Test Methods D 3511, D 3514, and D 4970.
1.2 Some fabrics that have been treated with a silicone resin may not be satisfactorily tested by this procedure because the
silicone resin may transfer onto the cork liners in the test chamber and cause erroneous results.
1.3 The values stated in either SI units or inch-pound units are to be regarded separately as the standard. Within the text, the
inch-pound units are to be regarded as the standard. Within the text, the inch-pound units are shown in parentheses. The values
stated in each system are not exact equivalents; therefore, each system shall be used independently of the other. Combining values
from the two systems may result in nonconformance with the specification.
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 and health practices and determine the applicability of regulatory
limitations prior to use.
2. Referenced Documents
2
2.1 ASTM Standards:
D 123 Terminology Relating to Textiles
D 1776 Practice for Conditioning and Testing Textiles
D 3511 Test Method for Pilling Resistance and Other Related Surface Changes of Textile Fabrics: Brush Pilling Tester
D 3514 Test Method for Pilling Resistance and Other Related Surface Changes of Textile Fabrics: Elastomeric Pad
D 4850 Terminology Relating to Fabric
D 4970 Test Method for Pilling Resistance and Other Related Surface Changes of Textile Fabrics: Martindale Tester
E 104 Practice for Maintaining Constant Relative Humidity by Means of Aqueous Solutions
2.2 ASTM Adjuncts:
3
12-435120-00 Set of 5 Photographic Standards for Random Tumble Pilling Test
3. Terminology
3.1Definitions:
3.1.1fuzz, n—untangled fiber ends that protrude from the surface of a yarn or fabric.
3.1.2pilling resistance, n—resistance to the formation of pills on the surface of a textile fabric.
3.1.3pills, n—bunches or balls of tangled fibers which are held to the surface of a fabric by one or more fibers.
3.1.4For definitions of other textile terms used in this test method, refer to Terminology D123.
3.1 For all terminology related to D13.59, Fabric Test Methods, General, see Terminology D 4850.
3.1.1 The following terms are relevant to this standard: fuzz, pilling resistance, pills.
3.2 For all other terminology related to textiles, see Terminology D 123.
1
This test method is under the jurisdiction ofASTM Committee D13 onTextiles and is the direct responsibility of Subcommittee D13.60 on FabricTest Methods, Specific.
Current edition approved JulyDec. 1, 2007. Published August 2007.January 2008. Originally approved in 1976. Last previous edition approved in 20052007 as
e1
D 3512 – 05(2007) .
2
For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
3
Available from ASTM International Headquarters. Order Adjunct No. ADJD3512.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
D3512–07
4. Summary of Test Method
4.1 Pilling and other changes in surface appearance, such as fuzzing, that occur in normal wear are simulated on a laboratory
testing machine. Pills are caused to form on fabric by a random rubbing action produced by tumbling specimens in a cylindrical
test chamber lined with a mildly abrasive material. To form pills with appearance and
...

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