BSI BS 7897-3:1997

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Specification for lac and shellac -- Bleached lac

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BSI BS 7897-3:1997

Specification for lac and shellac -- Bleached lac

PUBLISH DATE 1997
PAGES 36
BSI BS 7897-3:1997

SPECIFICATION FOR LAC and SHELLAC, BLEACHED LAC

Gives requirements for two grades differing in *matter insoluble in hot alcohol*, *matter soluble in water*, *ash* and *wax* content.

Definitions, colour, copals, rosin, free chlorine content, arsenic and lead content tests are all specified.

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