BSI BS 3280:1960

Withdrawn Revision
Specification for hand-made shellac

Best Price Guarantee May 1, 1965 English 1 Pages

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BSI BS 3280:1960

Specification for hand-made shellac

PUBLISH DATE 1965
BSI BS 3280:1960

WITHDRAWN

Five grades. Appearance and colour, sample, matter insoluble in hot alcohol, orpiment, rosin, expressing analytical results.

Optional clauses:

  • colour index
  • volatile matter
  • matter soluble in water
  • non-volatile matter soluble in cold alcohol
  • ash
  • grit
  • wax
  • flow
  • life under heat
  • acid value
  • iodine value
  • arsenic
  • lead
  • adhesion to mica
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