BSI BS 3279:1960

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Specification for seedlac

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BSI BS 3279:1960

Specification for seedlac

PUBLISH DATE 1960
PAGES 16
BSI BS 3279:1960

This British Standard specifies requirements for seedlac, the product obtained by washing crushed sticklac, the natural product of the lac insect (Laccifer lacca).

Unless otherwise agreed between purchaser and vendor, the seedlac shall be of Indian origin and shall be of the crop implied by the grade name employed.

Six grades are specified, as follows:

  • Golden Kusmi
  • Kusmi No. 1
  • Kusmi No. 2
  • Golden Bysacki
  • Fine Bysacki
  • Ordinary Bysacki

Six grades.

Description, sample, volatile matter, matter insoluble in hot alcohol, expressing analytical results.

Optional clauses:

  • colour index
  • matter soluble in water
  • non-volatile matter soluble in cold alcohol
  • wax
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