1、 Designation:0 4805-86 AMERICAN SOCIETY FOR TESTING AND MATERIALS 1916 Race SI.,Philadelphia.Pa.19103 Reprinted.from the Annual Book of ASTM Standards,Copyright ASTM If not listed In the currant combined index.will appear In the next edition.Standard Test Methods for MEASUREMENT OF COTTON FIBERS BY
2、HIGH VOLUME INSTRUMENTS(HVI)(SPECIAL INSTRUMENTS LABORATORY SYSTEM)1 This standard is issued under the fixed designation 04605:the number immediatel rollowing the designation indicates the year or original adoption or.in the case of revision.the year of last revision.A number in parentheses indicate
3、s the year of last reapproal.A superscript epsilon(.)indicates an editorial change since the last reision or reapprova!.I.Scope 1.1 These test methods cover the measure-ment of length.length uniformity.strength and elongation.micronaire readings.and color of cotton fibers by a series ofinterconnecte
4、d instru-ments.These methods are applicable to loose fibers taken from raw or partially processed cot-ton and some types of cotton waste.1.2 The values stated in inch-pound units are to be regarded as the standard.The values given in parentheses are for information only.1.3 This standard contains th
5、e following sec-tions:Sections Breaking Tenacity of Colton Fibers.17-27 Elongation at Break of Colton Fibers.17-:!7 Color of CoUon.39-49 Length ofCoUon Fibers.6-16 Micronaire Reading of CoUDn Fibers.28-38 Trash Content of Samples of COllon Fibers.50-60 Uniformity of Length orCollon Fibers.6-16 1.4 T
6、his standard ma.imo/e ha:ard(/;.I ma-lerials,operations.and eqllipmlII.This stalldard does I/ot pllrporl/cJ address all 11t1l/(.Wl/(I,Ilroh-itms associaled lIitl1 ils lise.II i.l the r(spollsihil-il,l(!/Ihe IIser(1/111is stllndard to establish llPJI/(/-wiale sqli.I.and irf!afl/r wac/ic(s and d(lermi
7、lll Ihe applicability 11/reKlilalor,l/imifCllitms prior III lIS(.2.Referenced Documents 2.1 ASTM Siandards:D 123 Terminology Relating to Textiles2 D 1441 Recommended Practice for Sampling Cotton Fibers for Testing)D 1445 Test Method for Breaking Strength and Elongation of Cotton Fibers(Aat Bun-dle M
8、ethOd)3 D 1447 Test Method for Length Uniformity of Cotton Fibers by Fibrograph Measurement 01448 Test Method for Micronaire Reading of Cotton Fibers o 1535 Method of Specifying Color hy the Munsell Systel114 D 1776 Practice for Conditioning Textiles for Testing D 2253 Test Method for Color of Raw C
9、ouon Using the Nickerson-Hunter Cotton Colorimeter D2812 Test Method for Non-Lint Content of Cotton1 D 3025 Practice lor Standardizing Cotton Fi-ber Test Results bv Use of Calibration Cot-ton Standards-3.Terminology 3.1 D(:li nitiolls:3.1.1/InlIking/(lll/ciO,n.-the tenacity cor-responding to the bre
10、aking load.for example.grams-force per tex or grams-force per denier.3.1.2(Iongalilm al/lreaking load.-in.lih(,I strellgth teslin/(11f COIlO.the elongation corre-sponding to the maximum load and expressed as a percentage ofa Is-in.(3.2-mm)gage length.3.1.3,i(/(Illail(tlIdiIlK.II.-a relative mea-I Th
11、ese test methods are under the jurisdiction of ASTM Committee 0-13 on Textiles and are the direct responsihility of Subcommittee 013.11 on Cotton Fibers.Current edition approved July 25.1986.Published Septem-her 1986.4/1111/01 Bl/(Ik.,fASTM Siolldord Vols 07.01 and 07.0.l Annllol B.,ok.,f ASTM SumJa
12、rd.Vol 07.02.IInllol HOlIk of ASTM Standardt.Vol 06.01.NOTICE:This standard has either been superseded and replaced by a new version or discontinued.Contact ASTM International(www.astm.org)for the latest information.surement of fiber fineness derived from the po-rous plug air-flow method.3.1.4 nllmb
13、er of pieces of trash.n.-in testing colton with the trash meter,a number correlated with the total number of the pieces of trash on the surface ofa sample of cotton over the viewing window.3.1.5 percent area.n.-in testing cotton with the trash meter.the ratio of total area of trash on the surface of
14、 a sample of cotton to that of the area of the viewing window,expressed in percent of the area of the viewing window.3.1.6 span length.n.-in length testing of cot-ton with the Fibrograph.the distance spanned by a specified percentage of fibers in a test beard.taking the amount reading at the startin
15、g point of scanning as 100%.3.1.7 tensile strength.n.-the strength shown by a specimen subjected to tension.as distinct from pression.or shear;3.1.8 test beard.n.-inlength testingqco(on.the portion of the test specimen that has been combed and brushed into a beard which pro-trudes from the outside b
16、(s)or c1amp(s).3.1.9 trash.n.-in testingcottim with the irash meier.foreign matter havinga distinct difference.as seen by a video camera.between light and dark color from t1at of cotton.3.1.10 ImijiJrmil,v index.n.-in.fiber length testing(cotton.the ratio between the mean length and the upper-half-mean length expressed as a percentage of the upper-half-mean length.3.1.11 uniformity ratio.n.-in.fiber lerigth testing(?f c(Jllon.the ratio between two span lengths expressed as a percentage of the lo
