1、Designation:D 234 82(Reapproved 1998)Standard Specification forRaw Linseed Oil1This standard is issued under the fixed designation D 234;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 parenthese
2、s indicates the year of last reapproval.Asuperscript epsilon(e)indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers raw linseed oil.2.Referenced Documents2.1 ASTM Standards:D 93 Test Methods for Flash Point by Pensky-MartensClosed Tester2D 555 Guid
3、e for Testing Drying Oils3D 1466 Test Method for Sampling Liquid Oils and FattyAcids Commonly Used in Paints,Varnishes,and RelatedMaterials3D 1544 Test Method for Color of Transparent Liquids(Gardner Color Scale)4D 1639 Test Method for Acid Value of Organic CoatingMaterials3D 1954 Test Method for Fo
4、ots in Raw Linseed Oil(Volu-metric Method)3D 1959 Test Method for Iodine Value of Drying Oils andFatty Acids3D 1960 Test Method for Loss on Heating of Drying Oils3D 1962 Test Method for Saponification Value of DryingOils,Fatty Acids,and Polymerized Fatty Acids3D 1963 Test Method for Specific Gravity
5、 of Drying Oils,Varnishes,Resins,and Related Materials at 25/25C3D 1965 Test Method for Unsaponifiable Matter in DryingOils,Fatty Acids,and Polymerized Fatty Acids3D 1966 Test Method for Foots in Raw Linseed Oil(Gravi-metric Method)3D 2090 Test Method for Clarity and Cleanness of Paint andInk Liquid
6、s33.Properties3.1 Linseed oil shall be the oil obtained from flaxseed andshall conform to the requirements given in Table 1.NOTE1It is recognized that raw linseed oil is a natural product andthat,in unusual crop years,the color,iodine value and acid value may varyfrom the stated specification limits
7、.In this case the limits shall be agreedupon between the purchaser and the supplier.4.Test Methods4.1 SamplingSampling should be conducted in accor-dance with Test Method D 1466.4.2 The properties enumerated in this specification shall bedetermined in accordance with the applicable ASTM methodsliste
8、d in Table 1.The significance of the methods of testingenumerated under properties in this specification is discussedin Guide D 555.5.Keywords5.1 drying oils;linseed oilThe American Society for Testing and Materials takes no position respecting the validity of any patent rights asserted in connectio
9、nwith any item mentioned in this standard.Users of this standard are expressly advised that determination of the validity of any suchpatent rights,and the risk of infringement of such rights,are entirely their own responsibility.This standard is subject to revision at any time by the responsible tec
10、hnical 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 addressed to ASTM Headquarters.Your comments will receive careful consideration at a meeting
11、 of the responsibletechnical committee,which you may attend.If you feel that your comments have not received a fair hearing you should make yourviews known to the ASTM Committee on Standards,100 Barr Harbor Drive,West Conshohocken,PA 19428.1This specification is under the jurisdiction of ASTM Commit
12、tee D-1 on Paintand Related Coatings,Materials,andApplications,and is the direct responsibility ofD01.32 on Drying Oils.Current edition approved June 25,1982.Published September 1982.Originallypublished as D234 26 T.Last previous edition D234 72(1976).2Annual Book of ASTM Standards,Vol 05.01.3Annual
13、 Book of ASTM Standards,Vol 06.03.4Annual Book of ASTM Standards,Vol 06.01.TABLE 1 Properties of Raw Linseed OilPropertyRequirementASTMMethodSpecific gravity,25/25C0.926 to 0.931D 1963Acid value,max4.0D 1639Saponification value189.0 to 195.0D 1962Unsaponifiable matter,max,%1.50D 1965Iodine value(Wij
14、s),min177D 1959Loss on heating at 105 to 110C,max,%0.2D 1960Clarityclear and transpar-ent at 65CD 2090Color(Gardner),max13D 1544Foots,volumetric,heated oil,max,%1.0D 1954Foots,volumetric,chilled oil,max,%4.0D 1954Gravimetric foots,max%0.25D 1966Flash point,min,F250D 931AMERICAN SOCIETY FOR TESTING AND MATERIALS100 Barr Harbor Dr.,West Conshohocken,PA 19428Reprinted from the Annual Book of ASTM Standards.Copyright ASTM