ASTM International - ASTM D237-57(1997)
Standard Specification for Orange Shellac and Other Lacs (Withdrawn 2006)
|Publication Date:||10 June 1997|
|ICS Code (Varnished fabrics):||29.035.60|
1.1 This specification covers three types and four grades of orange shellac and other lac, as follows:
1.1.1 Type I , orange shallac, grades A, B, C, and D,
1.1.2 Type II , button lac, and
1.1.3 Type III , garnet lac.
1.2 Stick-lac and seed-lac are not covered by this specification.