1、Designation:D 961 86(Reapproved 2001)Standard Specification forDehydrated Castor Oil1This standard is issued under the fixed designation D 961;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 pare
2、ntheses 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 a drying oil made from castoroil that has been treated to remove the elements of water.Twotypes of dehydrated castor oil are c
3、overed:unbodied and Z-3bodied.NOTE1Other types of bodied dehydrated castor oil are commerciallyavailable but are not covered by this specification.2.Referenced Documents2.1 ASTM Standards:D 445 Test Method for Kinematic Viscosity of Transparentand Opaque Liquids(and the Calculation of DynamicViscosi
4、ty)2D 555 Guide for Testing Drying Oils3D 1475 Test Method for Density of Liquid Coatings,Inks,and Related Products4D 1544 Test Method for Color of Transparent Liquids(Gardner Color Scale)4D 1545 Test Method for Viscosity of Transparent Liquidsby Bubble Time Method3D 1639 Test Method for Acid Value
5、of Organic CoatingMaterials3D 1640 Test Methods for Drying,Curing,or Film Forma-tion of Organic Coatings at Room Temperature3D 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,Fatt
6、y Acids,and Polymerized Fatty Acids3D 1963 Test Method for Specific Gravity of Drying Oils,Varnishes,Resins,and Related Materials at 25/25C3D 2090 Test Method for Clarity and Cleanness of Paint andInk Liquids3E 1 Specification for ASTM Thermometers53.Properties3.1 Dehydrated castor oil shall conform
7、 to the requirementsprescribed in Table 1.4.Test Methods4.1 The properties enumerated in this specification shall bedetermined in accordance with the appropriate methods givenin Table 1 with the following exceptions:4.1.1 Gel TimeDetermine the gel time in accordance withTest Method D 1955 but with t
8、he following changes:4.1.1.1 Use an ASTM Partial Immersion Thermometer hav-ing a range from 20 to 760F and conforming to the require-ments for Thermometer 3F as prescribed in Specification E 1.4.1.1.2 Heat the bath to 600 6 1F(315 6 0.5C),insert thetubes containing the oil in the bath,maintain the b
9、ath at 600 61F for the duration of the test,and4.1.1.3 Raise the glass rods a fraction of an inch at 1-minintervals after 125 min in the case of the unbodied oil or after25 min in the case of the bodied oil.4.1.2 Iodine ValueUse the procedure described in MethodD 1959,to determine the iodine value,e
10、xcept that the speci-men weights shall be 0.11 to 0.13 g of oil.4.2 The significance of and comments on the referencedmethods are discussed in Guide D 555.5.Keywords5.1 castor oil;dehydrated;dehydrated castor oil1This specification is under the jurisdiction of ASTM Committee D01 on Paintand Related
11、Coatings,Materials,andApplications,and is the direct responsibility ofSubcommittee D 01.32 on Drying Oils.Current edition approved March 27,1986.Published May 1986.Originallypublished as D 961 48 T.Last previous edition D 961 80.2Annual Book of ASTM Standards,Vol 05.01.3Annual Book of ASTM Standards
12、,Vol 06.03.4Annual Book of ASTM Standards,Vol 06.01.5Annual Book of ASTM Standards,Vol 14.03.1Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959,United States.ASTM International takes no position respecting the validity of any patent rights asserted in con
13、nection with any item mentionedin this standard.Users of this standard are expressly advised that determination of the validity of any such patent rights,and the riskof infringement of such rights,are entirely their own responsibility.This standard is subject to revision at any time by the responsib
14、le technical 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 International Headquarters.Your comments will receive careful consid
15、eration at a meeting of theresponsible technical committee,which you may attend.If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards,at the address shown below.This standard is copyrighted by ASTM International,100 Barr Ha
16、rbor Drive,PO Box C700,West Conshohocken,PA 19428-2959,United States.Individual reprints(single or multiple copies)of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585(phone),610-832-9555(fax),or serviceastm.org(e-mail);or through the ASTM website(www.astm.org).TABLE 1 Requirements for Dehydrated Castor OilUnbodiedBodiedASTM MethodViscosity at 25CF to IZ2 to Z4D 1545,D 445Specific gravity,25/25C0.926 to 0.9370.944 to 0.966D 1963,D 1475Acid value,max66D 1639S
