1、Designation: D6015 10Standard Test Method forStatic Water Absorption of Leather1This standard is issued under the fixed designation D6015; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A number in paren
2、theses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the Department of Defense.1. Scope1.1 This test method covers the determination of the amountof water absor
3、bed by leather at 23 6 2C by immersion understatic conditions. It may be used on all types of leather. Thistest method does not apply to wet blue.1.2 The values stated in inch-pound units are to be regardedas standard. The values given in parentheses are mathematicalconversions to SI units that are
4、provided for information onlyand are not considered standard.1.3 This standard does not purport to address all of thesafety concerns, if any, associated with its use. It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-
5、bility of regulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:2D1517 Terminology Relating to LeatherD1610 Practice for Conditioning Leather and Leather Prod-ucts for Testing3. Terminology3.1 For definitions of leather terms used in this test methodrefer to Terminology D1517
6、.4. Summary of Test Method4.1 In this test method the amount of water absorbed by aleather specimen is measured at room temperature with allsurfaces exposed to water.5. Significance and Use5.1 This test method is used to determine compliance withspecifications for water absorption of upper leather.
7、Thesignificance of the test method is limited by the static condi-tions employed, and the results do not reflect the waterabsorption under dynamic conditions of flexing.6. Apparatus6.1 Beaker, 1000 mL.6.2 Balance, sensitive to 0.01 g.6.3 Blotting Paper3.7. Test Specimen7.1 The test specimen shall be
8、 a square of leather approxi-mately 4 by 4 in. (102 by 102 mm).7.2 Unless otherwise specified in the detail specification,one specimen from each test unit of sample shall be tested.7.3 Prior to testing, the specimen shall be conditionedaccording to Practice D1610.8. Procedure8.1 Weigh the specimen t
9、o the nearest 0.01 g and record themass as W1.8.2 One to three specimens shall be completely immersed ina 1000 mL beaker of distilled water at 23C 6 2C. Thisshould be done in such a manner that the surface of thespecimens do not touch each other.8.3 After 1 h 61 min immersion, the specimens shall be
10、removed from the beaker and the surface water from eachremoved by lightly blotting the specimen with blotting paperprior to weighing.8.4 Blotting paper that has been cut to the same size as theleather test specimen shall be used. A 4 by 4 in. (102 by 102mm) non-water absorbing, rigid flat plate shal
11、l be placed on alevel surface. Two died squares of blotting paper shall bestacked upon the rigid flat plate. One test specimen shall beremoved from the container and placed, grain up on top of theblotting squares. Two more blotting paper squares shall beplaced upon the first specimen. A second speci
12、men shall beremoved from the container and placed grain up upon thestack. This procedure shall be repeated until all the specimensare removed from the container and stacked. Two squares1This test method is under the jurisdiction of ASTM Committee D31 on Leatherand is the direct responsibility of Sub
13、committee D31.03 on Footwear.Current edition approved Oct. 1, 2010. Published October 2010. Originallyapproved in 1996. Last previous edition approved in 2005 as D6015 - 00(2005).DOI: 10.1520/D6015-10.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Servi
14、ce at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.3Blotting paper suitable to meet requirements of this method can be purchasedat either: AATCC, Order #08344a, P.O. Box 12215, Research Triangle Park, NC27709-22
15、15, www.aatcc.org or Testfabrics Inc., P.O. Box 26, West Pittiston, PA18643, .1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.blotting paper shall be placed on the last specimen added to thestack. The stack shall be topped by a secon
16、d non-waterabsorbing, rigid flat plate. The entire stack shall be immedi-ately squared (that is, the edges of the specimen, blotters andplates shall be made flush), and 1000 g weight shall be centeredon top of the upper plate. Note: the total time required forremoving the specimen from the container
17、 forming the stackand placing the 1000 g weight upon the stack shall not exceed3 min. The 1000 g weight shall remain on the stack for 5 min.At the end of 5 min, the weight shall be removed. The stack,held together by the plates, shall be turned upside down and inthis position returned to the level s
18、urface. The 1000 g weightshall again by centered on top of the upper plate and allowedto remain for 5 min. The alignment of the stack shall not bedisturbed during this procedure.At the end of 5 min the weight,top plate, and first two blotters shall be removed.8.5 The specimen shall then be weighed i
19、mmediately andthe mass recorded as W2.9. Calculation9.1 The amount of water absorbed by each specimen shallbe calculated as follows:Water absorbed, % 5 W22 W1!/W1# 3 100 (1)where:W1= weight of the original specimen, grams, andW2= weight of the specimen after water immersion,grams.10. Report10.1 The
20、amount of water absorbed by the specimen shallbe reported to the nearest 0.01 %.11. Precision and Bias11.1 This test method is adopted from the procedures of theFederal Government where it has long been in use. It wasapproved for publication before the inclusion of precision andbias statements was m
21、andated. The original interlaboratory testdata is no longer available. The user is cautioned to verify byuse of reference materials, if available, that the precision andbias of this test method is adequate for contemplated use.12. Keywords12.1 leather; static; water absorptionASTM International take
22、s no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the riskof infringement of such rights, are entirely their own res
23、ponsibility.This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years andif not revised, either reapproved or withdrawn. Your comments are invited either for revision of this standard or for additional standardsand should be address
24、ed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of theresponsible technical committee, which you may attend. If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the
25、 address shown below.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org). Permission rights to photocopy the standard may also be secured from the ASTM website (www.astm.org/COPYRIGHT/).D6015 102
