Designation:D784−08AnAmericanNationalStandardStandardSpecificationforOrangeShellacandOtherIndianLacsforElectricalInsulation1ThisstandardisissuedunderthefixeddesignationD784;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thisspecificationcoverstherequirementsandmethodsoftestforthreetypesandfourgradesoforangeshellacandotherlacs,typicallyusedasbondingagentsformicasplittingsandreconstitutedmicapaperandascoatingforothermaterials,asfollows:1.1.1TypeI—OrangeFlakeShellac,GradesA,B,C,andD,1.1.2TypeII—ButtonLac,and1.1.3TypeIII—GarnetLac.1.2Stick-lacandseed-lacarenotcoveredbythisspecifica-tion.NOTE1—ISOSpecifications56–1and56–2covershellac.However,theequivalencyoftheISOspecificationtothisstandardisunknown.ReferdirectlytotheISOstandardstodetermineequivalency.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesaremathematicalconversionstoinch-poundunitsthatareprovidedforinforma-tiononlyandarenotconsideredstandard.2.ReferencedDocuments2.1ASTMStandards:2D29TestMethodsforSamplingandTestingLacResins(Withdrawn2005)3D411TestMethodsforShellacUsedforElectricalInsula-tionD1711TerminologyRelatingtoElectricalInsulation2.2ISOStandards:56–1Shellac—Specifications—Part1:Hand-MadeShellac456–2Shellac—Specifications—Part2:Machine-MadeShel-lac43.Terminology3.1Definitions—Fordefinitionsoftermsusedinthisspecification,refertoTerminologyD1711.4.OrderingInformation4.1Ordersformaterialcoveredbythisspecificationshallincludethefollowing:4.2Lotnumberandsupplier’sdesignation,4.3Typeandgrade,4.4Quantityineachbagorcontainer,and4.5Totalquantity.5.DescriptionofMaterials5.1TypeIisthecommercialrosin-freegradeoforangeflakeshellac.TypeIIcustomarilyoccursintheformofcirculardisksabout76mm(3in.)indiameterand3mm(1⁄8in.)inthicknessandisknowntothetradeaspure...
