BS 3279:1960

This standard BS 3279:1960 Specification for seedlac is classified in these ICS categories:

• 87.040 Paints and varnishes

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.