Cements such as marine glue are solutions of shellac, india-rubber or asphaltum in benzene or naphtha.
The Platinoid Coil Was Insulated From The Water By Shellac Varnish.
A plaster cast of the type is, when dry, saturated with shellac varnish and redried.
For various purposes a manufactured material known as "micanite" or "micanite cloth" is much used; this consists of small sheets of mica cemented with shellac or other insulating cement on cloth or paper.
Taking the dielectric constant of air as unity he obtained the following values, for shellac K = 2.0, glass K.