1、Designation:D373816(Reapproved 2022)Standard Specification forRubber-Coated Cloth Hospital Sheeting1This standard is issued under the fixed designation D3738;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A
2、 number in parentheses 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 U.S.Department of Defense.1.Scope1.1 This specification covers rubber-coated cloth sheetin
3、gintended for use in the protection of mattresses on hospitalbeds.1.2 The values stated in SI units are to be regarded as thestandard.The values given in parentheses are for informationonly.1.3 The following safety hazards caveat pertains only to thetest methods portion,Section 9,of this specificati
4、on.Thisstandard does not purport to address all of the safety concerns,if any,associated with its use.It is the responsibility of the userof this standard to establish appropriate safety,health,andenvironmental practices and determine the applicability ofregulatory limitations prior to use.1.4 This
5、international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT
6、)Committee.2.Referenced Documents2.1 ASTM Standards:2D573 Test Method for RubberDeterioration in an AirOvenD751 Test Methods for Coated FabricsD3393 Specification for Coated FabricsWaterproofness2.2 U.S.Government Document:3Food and DrugAdministration Code of Federal Regulations,Title 21,Parts 177 a
7、nd 1823.Ordering Information3.1 Orders for rubber-coated cloth sheeting should specifyin the contract or purchase order the following information:3.1.1 Quantity of cloth per finished roll(6.1),3.1.2 Sample size and frequency for testing(8.1),3.1.3 Certification(11.1),3.1.4 Marking necessity(12.1),an
8、d3.1.5 Special packaging(13.1).4.Materials and Manufacture4.1 Materials:4.1.1 The base cloth shall be woven or knitted from cottonyarn,synthetic yarn,or a blend of cotton and synthetic yarn.4.1.2 The coating compound shall be natural rubber,syn-thetic rubber,or a mixture of natural and synthetic rub
9、berssuitably formulated and colored with a white pigment to meetthe requirements of this specification.4.1.3 Compounding materials shall be permitted in accor-dance with Code of Federal Regulations,Title 21,Food andDrug Administration Part 177(Indirect Food Additives:Polymers),particularly 21 CFR 17
10、7.2600(Rubber ArticlesIntended for Repeated Use,or Part 182Substances GenerallyRecognized as Safe(GRAS).4.2 ManufactureThe base cloth shall be coated uniformlyon both sides with equal amounts of the coating compound.The coated fabric may be dusted with a talc that does notsupport mildew growth.The c
11、oated cloth shall be vulcanized tomeet the physical requirements of Table 1 and the performancerequirements specified in Section 5.5.Performance Requirements5.1 Resistance to Phenol and Isopropyl AlcoholCoatedcloth shall show no evidence of softening,tackiness,hardening,peeling,or blistering when ex
12、posed to a 5%phenol-water solution and a 70%isopropyl alcohol-watersolution in accordance with 9.7 and 9.8.5.2 Resistance to Heat AgingCoated cloth shall show noevidence of stiffness,brittleness,tackiness,or discolorationafter exposure to heat in accordance with 9.9.1This specification is under the
13、jurisdiction ofASTM Committee D11 on Rubberand Rubber-like Materials and is the direct responsibility of Subcommittee D11.37on Coated Fabrics,Rubber Threads and Seals.Current edition approved Oct.1,2022.Published November 2022.Originallyapproved in 1978.Last previous edition approved in 2016 as D373
14、8 16.DOI:10.1520/D3738-16R22.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3Available from U.S.Government Printi
15、ng Office Superintendent of Documents,732 N.Capitol St.,NW,Mail Stop:SDE,Washington,DC 20401.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles
16、on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.15.3 Steam SterilizationCoated cloth shall show no evi-dence of softening,tackiness,hardening,peeling,or blisteringwhen subjected to steam sterilization in accordance with 9.10.6.Length of Roll6.1 Unless otherwise specified in the contract or purchaseorder,cloth shall be furnished in
