NATURE COAT is "MODIFIED SHELLAC"
General Composition
Resin.......................................................... Not less than 90%
Coloring matter......................................... TRACE
Wax............................................................ TRACE
Moisture.................................................... < 3.5 percent
Composition consists of largely of esters of an acid, to which they assigned the formula,
CH3CH2CH2 (CHOH)(CH2)7CHOH.COOH, i.e., dihydroxyficocerylic acid.