Answer:

isinglass

AnswerCrossword Clue
ISINGLASSVery pure form of gelatin.
ISINGLASSTranslucent gelatin.
ISINGLASSTransparent material
ISINGLASSFish glue
ISINGLASSClarifying agent in glues and jellies
ISINGLASSCommon mica
ISINGLASSMica in thin sheets