BSI BS 7897-1:1997

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Specification for lac and shellac -- Hand-made shellac

Best Price Guarantee Aug 15, 1997 English 42 Pages

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BSI BS 7897-1:1997

Specification for lac and shellac -- Hand-made shellac

PUBLISH DATE 1997
PAGES 42
BSI BS 7897-1:1997

WITHDRAWN, 12/1/2011

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
  • flow tests
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