A resinous preparation of shellac and turpentine that is soft and fluid when heated but solidifies upon cooling, used to seal letters, batteries, or jars.
Initial heating of the phenol and formaldehyde (in the presence of an acid or base to get the reaction going) produced a shellac-like liquid good for coating surfaces like a varnish.
She wanted to shellac the desk to protect it from water spots.
Early electrical workers used it as a coating to insulate coils, and molded it into stand-alone insulators by pressing together layers of shellac-impreg-nated paper.
Another innovation came when Bakelite was patented as a replacement for shellac in grinding wheels.
In 100 years, recorded music has gone from cylinders to shellac 78s to vinyl LPs to cassettes, CDs and now digital downloads.
The string slots of the classical guitar headpiece can be painted with shellac using a small camel-hair painters brush.
Base on the knots, application of shellac varnish resin parts closed, oily putty inlaying nailhole place application.
Features: This product protected with sealed finish to resist paint from acid rain, sunlight fading, UV oxidation, high temperature, shellac, sap and polished scratches and other effects;
Your rifle's finish is low grade shellac, cosmoline and Olga's toe nails.
A resinous secretion of the lac insect deposited on trees and used in making shellac.
國文精選館
