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ASTM_D_3772_-_15.pdf

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1、Designation:D377215Standard Specification forIndustrial Rubber Finger Cots1This standard is issued under the fixed designation D3772;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 parentheses in

2、dicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers the requirements for fingercots used in industrial applications which are made fromnatural rubber latex or a synthetic nitrile polymer.Th

3、e purposeof this specification is to obtain consistent performance amongproducts produced in various locations or at various times inthe same location.1.2 This specification does not cover the safe and proper useof finger cots or products of special construction for specialuse.1.3 The values stated

4、in SI units are to be regarded as thestandard.1.4 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-bility of regulato

5、ry limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2D412 Test Methods for Vulcanized Rubber and Thermoplas-tic ElastomersTensionD573 Test Method for RubberDeterioration in an AirOvenD865 Test Method for RubberDeterioration by Heating inAir(Test Tube Enclosure)D1076 Specification fo

6、r RubberConcentrated,AmmoniaPreserved,Creamed,and Centrifuged Natural LatexD3767 Practice for RubberMeasurement of Dimensions2.2 Other Documents:ISO 2859 Sampling Procedures and Tables for Inspection byAttributes3Code of Federal Regulations,Title 21Food and DrugAdministration,Part 17743.Classificati

7、on3.1 Types:3.1.1 Type 1Natural Rubber Latex.3.1.2 Type 2Synthetic Nitrile Polymer.3.2 SizesThe sizes covered are small,medium,large,extralarge,and XXL.4.Ordering Information4.1 Orders for material under this specification shall includethe following information:4.1.1 Reference to thisASTM designatio

8、n(D3772)and yearof issue,4.1.2 Type,4.1.3 Thickness(if different than that specified),and4.1.4 Size.5.Materials and Manufacture5.1 Finger cots shall be manufactured from latex conform-ing to Specification D1076 or a synthetic nitrile polymercompound that meets the requirements in this specification.

9、5.2 Finger cots shall be free of embedded grit ordiscoloration,but may be transparent,opaque,or colored.5.3 Finger cots and any dressing materials applied to themshall not liberate substances known to be toxic or otherwiseharmful under normal conditions of use.Any dressing orcompounding materials sh

10、all not have a deleterious effect onthe rubber and shall be permitted by the Code of FederalRegulations,Title 21,Food and Drug Administration,Section177.2600 on Rubber Articles Intended for Repeated Use,thatlists materials safe for use as indirect food additives.Othermaterials may be used if their s

11、afety and efficacy have beenestablished previously.6.Performance6.1 Finger cots sampled in accordance with Section 7,shallmeet the following performance requirements:1This specification is under the jurisdiction ofASTM Committee D11 on Rubberand is the direct responsibility of Subcommittee D11.40 on

12、 Consumer RubberProducts.Current edition approved July 15,2015.Published September 2015.Originallyapproved in 1979.Last previous edition approved in 2010 as D3772 01(2010).DOI:10.1520/D3772-15.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at servi

13、ceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3Available from American National Standards Institute(ANSI),25 W.43rd St.,4th Floor,New York,NY 10036.4Available from the Superintendent of Documents,U.S.Government Printing

14、Office,Washington,DC 20402.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 6.1.1 Have consistent physical dimensions in accordancewith 8.2.2.6.1.2 Have acceptable physical property characteristics inaccordance with 8.3.6.1.3 Meet the insp

15、ection criteria as specified in 8.4.7.Sampling7.1 Finger cots shall be sampled and inspected in accor-dance with ISO 2859.The inspection levels and acceptablequality levels(AQL)shall conform to those specified in Table1,or as agreed between the purchaser and seller.8.Test Methods8.1 The following te

16、sts shall be conducted to ensure therequirements of Section 9 are met as prescribed in Table 1.8.2 Design:8.2.1 RimThe open end of the finger cot shall terminate inan integral rim.8.2.2 Physical DimensionsThe length shall be 70 6 5mm.The single wall thickness shall be 0.09 6 0.03 mm or asagreed upon by the manufacturer and end user.The width whenlaid flat of the various sizes shall be as follows:small,24 6 2mm;medium,28 6 2 mm;large,30 6 2 mm;extra large,34.56 2.5 mm;XXL,36.5 6 2.5 mm.8.2.3 Samp

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