1、Designation:D 12 88(Reapproved 1998)Standard Specification forRaw Tung Oil1This standard is issued under the fixed designation D 12;the number immediately following the designation indicates the year of originaladoption or,in the case of revision,the year of last revision.Anumber in parentheses indi
2、cates the year of last reapproval.Asuperscriptepsilon(e)indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers raw tung oil derived fromAleurites fordii Hemsley.2.Referenced Documents2.1 ASTM Standards:D 93 Test Methods for Flash Point by Pensky-Mart
3、ensClosed Tester2D 555 Guide for Testing Drying Oils3D 1466 Test Method for Sampling Liquid Oils and FattyAcids Commonly Used in Paints,Varnishes,and RelatedMaterials3D 1541 Test Method for Total Iodine Value of Drying Oilsand Their Derivatives3D 1544 Test Method for Color of Transparent Liquids(Gar
4、dner Color Scale)4D 1639 Test Method for Acid Value of Organic CoatingMaterials3D 1955 Test Method for Gel Time of Drying Oils3D 1959 Test Method for Iodine Value of Drying Oils andFatty Acids3D 1962 Test Method for Saponification Value of DryingOils,Fatty Acids,and Polymerized Fatty Acids3D 1963 Te
5、st Method for Specific Gravity of Drying Oils,Varnishes,Resins,and Related Materials at 25/25C3D 1964 Test Method for Tung Oil Quality3D 1965 Test Method for Unsaponifiable Matter in DryingOils,Fatty Acids,and Polymerized Fatty Acids3D 2090 Test Method for Clarity and Cleanness of Paint andInk Liqui
6、ds3D 3278 Test Methods for Flash Point of Liquids by SmallScale Closed-Cup Apparatus43.Properties3.1 Raw tung oil shall conform to the requirements given inTable 1.4.Test Methods4.1 SamplingSampling shall be conducted in accordancewith Test Method D 1466.4.2 The significance of the test methods enum
7、erated underproperties in this specification is discussed in Guide D 555.5.Keywords5.1 drying oils;tung oilThe American Society for Testing and Materials takes no position respecting the validity of any patent rights asserted in connectionwith any item mentioned in this standard.Users of this standa
8、rd 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 technical committee and must be reviewed every five years andif n
9、ot revised,either reapproved or withdrawn.Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM Headquarters.Your comments will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 of the responsibletechnical committee,which you may attend.If
10、 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 Committee D-1 on Paintand Related Coatings,Materials,and Application
11、s and is the direct responsibility ofSubcommittee D01.32 on Drying Oils.Current edition approved Oct.31,1988.Published December 1988.Originallypublished as D 12 15 T.Last previous edition D 12 87.2Annual Book of ASTM Standards,Vol 05.01.3Annual Book of ASTM Standards,Vol 06.03.4Annual Book of ASTM S
12、tandards,Vol 06.01.TABLE 1 Properties of Raw Tung OilARequirementsASTMTestMethodSpecific gravity,25/25C0.933 to 0.938D 1963Acid value,max5.0D 1639Saponification value189 to 195D 1962Unsaponifiable matter,max,%0.75D 1965Iodine value(Wijs),min163D 1959Total iodine value,min220D 1541Clarityclear and tr
13、ansparentat 25CD 2090Color(Gardner),max12D 1544Flash point,min203F(95C)250F(121C)D 3278BD 93Gel time,minutes,max12D 1955Tung oil quality testpassD 1964Refractive index,25C1.5160 to 1.5200AA relationship between refractive index and tung oil adulteration with other oilsis described in“Paint Testing M
14、anual,”Gardner-Sward-13th Edition,1972,Chapter2.1,Section 12.1,p.62.BTest Methods D 3278 are useful only at temperatures up to 230F,but may beused to test for the presence of volatile solvents as evidenced by a flash point of230F or lower.1AMERICAN SOCIETY FOR TESTING AND MATERIALS100 Barr Harbor Dr.,West Conshohocken,PA 19428Reprinted from the Annual Book of ASTM Standards.Copyright ASTM
