seed lac

Thân thiện

A worker carefully sifts seed lac through a fine mesh screen.

Definition

Noun: - A granular substance produced by crushing and washing stick lac, which is a resinous secretion from insects. It is an intermediate product in the manufacture of shellac.

Usage

• Seed lac is a raw material used in the production of shellac and varnishes.
• The quality of the final shellac depends on the purification of the seed lac.

Examples

• The artisans processed the stick lac to obtain seed lac.
• Seed lac must be further refined to remove impurities before it can be used as a finish.

Advanced Usage

• In industrial contexts, seed lac is often bleached or treated with solvents to create different grades of shellac.

Variants and Related Words

• Stick lac (noun): The raw, resinous crust on tree twigs, which is the source material for seed lac.
• Shellac (noun): The refined, purified resin produced by processing seed lac, used as a wood finish and sealer.
• Lac (noun): The general term for the resinous substance secreted by the lac insect ().

Synonyms

• Granular lac
• Unrefined shellac

Notes

• Seed lac is specifically the crushed and washed granular form. It is not the final commercial product (shellac) nor the initial raw material (stick lac).

Học thuật

Noun

1. granular material obtained from stick lac by crushing and washing