BS 7897-2:1997, ISO 56-2:1979 - Specification for lac and shellac. Machine-made shellac

BS 7897-2:1997, ISO 56-2:1979

Specification for lac and shellac. Machine-made shellac

Status : Withdrawn   Published : August 1997

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Specifies four main types of machine-made shellac based on different methods of manufacture. Each type is graded on the basis of colour. Requirements for matter insoluble in hot alcohol are given along with optional requirements for: volatile matter, wax, ash, lead and grit content, matter soluble in water, iodine and acid values, heat polymerisation and flow tests.




Standard NumberBS 7897-2:1997, ISO 56-2:1979
TitleSpecification for lac and shellac. Machine-made shellac
StatusWithdrawn
Publication Date15 August 1997
Confirm Date01 May 2005
Withdrawn Date01 December 2011
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
Draft Superseded By95/120412 DC
DescriptorsSpecimen preparation, Lacquers, Polymerization, Solvent extraction methods, Waxes, Test equipment, Flow measurement, Arsenic, Iodine number, Coatings, Dimensions, Rosin, Lac, Insoluble matter determination, Resins (natural), Heating tests, Chemical analysis and testing, Ash determination, Varnishes, Volatile matter determination, Colour, Colour tests, Sampling methods, Grades (quality), Lead, Grit, Acid number, Testing conditions, Design, Determination of content
ICS87.040
Title in FrenchGomme laque en feuilles. Specification. Gomme laque en feuilles de fabrication mecanique
Title in GermanSchellack; Lieferbedingungen. Maschinell erzeugter Blaetter-Schellack
CommitteeSTI/10
ISBN0 580 27941 3
PublisherBSI
FormatA4
DeliveryNo
Pages36
File Size827.2 KB
NotesThis standard has been withdrawn as is it identical to ISO 56-2:1979 which has been withdrawn by ISO/TC 50
Price£214.00


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