TT-S-300A, FEDERAL SPECIFICATION, SHELLAC, CUT (25 APR 1977)
TT-S-300A, FEDERAL SPECIFICATION, SHELLAC, CUT (25 APR 1977)., This specification covers a shellac varnish consisting of a solution or "cut"[1] of a specified type of dry lac resin in specially denatured alcohol or other suitable proprietary solvent.