ASTM D3512/D3512M-10e2
(Test Method)Standard Test Method for Pilling Resistance and Other Related Surface Changes of Textile Fabrics: Random Tumble Pilling Tester
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 D3511, D3514, and D4970.
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 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.
1.4 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.
General Information
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Standards Content (Sample)
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Designation: D3512/D3512M − 10
StandardTest Method for
Pilling Resistance and Other Related Surface Changes of
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Textile Fabrics: Random Tumble Pilling Tester
This standard is issued under the fixed designation D3512/D3512M; 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
ε NOTE—Reference to E104 in 6.1.1 was corrected editorially to F104 in September 2010. Also, Fig. 2 was updated to
correctly show SI units with in./lb units in brackets.
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ε NOTE—Reference to Classification System F104, Appendix X2 in 6.1.1 was corrected to Appendex X1 in June 2011.
1. Scope D3511 Test Method for Pilling Resistance and Other Related
Surface Changes of Textile Fabrics: Brush Pilling Tester
1.1 This test method covers the resistance to the formation
D3514 TestMethodforPillingResistanceandOtherRelated
of pills and other related surface changes on textile fabrics
Surface Changes of Textile Fabrics: Elastomeric Pad
using the random tumble pilling tester. The procedure is
D4850 Terminology Relating to Fabrics and Fabric Test
generally applicable to all types of woven and knitted apparel
Methods
fabrics.
D4970 TestMethodforPillingResistanceandOtherRelated
NOTE 1—For other test methods for the pilling resistance of textiles,
Surface Changes of Textile Fabrics: Martindale Tester
refer to Test Methods D3511, D3514, and D4970.
F104 Classification System for Nonmetallic Gasket Materi-
1.2 Some fabrics that have been treated with a silicone resin
als
may not be satisfactorily tested by this procedure because the
2.2 ASTM Adjuncts:
silicone resin may transfer onto the cork liners in the test
12-435120-00 Set of 5 Photographic Standards for Random
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chamber and cause erroneous results.
Tumble Pilling Test
1.3 The values stated in either SI units or inch-pound units
3. Terminology
are to be regarded separately as standard. The values stated in
3.1 For all terminology related to D13.59, Fabric Test
each system may not be exact equivalents; therefore, each
Methods, General, see Terminology D4850.
system shall be used independently of the other. Combining
3.1.1 Thefollowingtermsarerelevanttothisstandard:fuzz,
values from the two systems may result in non-conformance
pilling resistance, pills.
with the standard.
1.4 This standard does not purport to address all of the 3.2 For all other terminology related to textiles, see Termi-
nology D123.
safety concerns, if any, associated with its use. It is the
responsibility of the user of this standard to establish appro-
4. Summary of Test Method
priate safety and health practices and determine the applica-
bility of regulatory limitations prior to use. 4.1 Pilling and other changes in surface appearance, such as
fuzzing, that occur in normal wear are simulated on a labora-
2. Referenced Documents
tory testing machine. Pills are caused to form on fabric by a
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random rubbing action produced by tumbling specimens in a
2.1 ASTM Standards:
cylindrical test chamber lined with a mildly abrasive material.
D123 Terminology Relating to Textiles
Toformpillswithappearanceandstructurethatresemblethose
D1776 Practice for Conditioning and Testing Textiles
produced in actual wear, small amounts of short-length gray
cotton fiber are added to each test chamber with the specimens.
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The degree of fabric pilling is evaluated by comparison of the
This test method is under the jurisdiction ofASTM Committee D13 on Textiles
and is the direct responsibility of Subcommittee D13.60 on Fabric Test Methods,
tested specimens with visual standards that may be actual
Specific.
fabrics, or photographs of fabrics, showing a range of pilling
Current edition approved June 1, 2010. Published August 2010. Originally
resistance. The observed resistance to pilling is reported using
approved in 1976. Last previous edition approved in 2007 as D3512 – 07. DOI:
10.1520/D3512-10E01. an arbitrary rating scale.
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
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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
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D3512/D3512M − 10
5. Significance and Use pilling resistance.The observed resistance to pilling is reported
on an arbitrary scale ranging from 5 (no pilling) to 1 (very
5.1 Acceptance Testing—This method of testing fabrics for
severe p
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