Standard Historical Last Updated: Jun 11, 2019
ASTM D360-12

Standard Specification for Shellac Varnishes

Abstract

This specification covers shellac varnish consisting of a solution of specific type of dry lac resin and denatured alcohol. This specification includes two grades, A and B, of orange shellac varnish and two grades, regular and refined, of bleached lac varnish. Varnish color, drying time, body and cut, packaging and marking, and test methods shall conform to the specification indicated.

Scope

1.1 This specification covers shellac varnish consisting of a solution or “cut” of a specified type and grade of dry lac resin in specially denatured alcohol. Ninety-five percent (190 proof) ethyl alcohol, specially denatured according to Formula No. 1 of the Alcohol, Tobacco, and Firearms of the Treasury Dept., is the solvent most commonly used. However, other specially denatured alcohols and proprietary solvents are also used for this purpose.

1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

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Details
Book of Standards Volume: 06.03
Developed by Subcommittee: D01.33
Pages: 2
DOI: 10.1520/D0360-12
ICS Code: 29.035.60