BS 7897-1:1997, ISO 56-1:1979 - Specification for lac and shellac. Hand-made shellac

BS 7897-1:1997, ISO 56-1:1979

Specification for lac and shellac. Hand-made shellac

Status : Withdrawn   Published : August 1997

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Specifies six main grades of hand-made shellac. Requirements for matter insoluble in hot alcohol are given along with optional requirements for: volatile matter, colour, wax, ash, lead and grit content, acid iodine values, heat polymerization and flow tests.




Standard NumberBS 7897-1:1997, ISO 56-1:1979
TitleSpecification for lac and shellac. Hand-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Withdrawn Date01 December 2011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Draft Superseded By95/120411 DC
DescriptorsLacquers, Volatile matter determination, Colour, Colour tests, Coatings, Acid number, Grit, Insoluble matter determination, Lac, Rosin, Lead, Grades (quality), Sampling methods, Varnishes, Arsenic, Waxes, Chemical analysis and testing, Solvent extraction methods, Non-volatile matter determination, Test equipment, Heating tests, Testing conditions, Flow measurement, Determination of content, Iodine number, Dimensions, Specimen preparation, Resins (natural), Ash determination, Design, Aqueous extraction methods
ICS87.040
Title in FrenchGomme laque en feuilles. Specification. Gomme laque en fueilles de fabrication manuelle
Title in GermanSchellack; Lieferbedingungen.Handgemachter Blaetter-Schellack
CommitteeSTI/10
ISBN0 580 27945 6
PublisherBSI
FormatA4
DeliveryNo
Pages36
File Size811.3 KB
NotesThis standard has been withdrawn as is it identical to ISO 56-1:1979 which has been withdrawn by ISO/TC 50
Price£214.00


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