To provide a process for production adding an improvement to a conventional synthetic resin binder and its application.

This fibrillated synthetic resin binder is formed by mixing and kneading ceramic fibers and alumina fibers/glass fibers/carbon fibers with a synthetic resin agent of an acrylic system or urethane system, etc., then evacuating the mixture. The binder is otherwise formed by mixing and kneading the ceramic fibers and the alumina fibers/glass fibers/carbon fibers with the synthetic resin agent of a vinyl ester or epoxy system, etc., then rolling the mixture. The binder is otherwise formed by mixing and kneading the ceramic binders and the alumina fibers/glass fibers/carbon fibers with the synthetic resin agent of an acrylic system, urethane system, vinyl ester system, epoxy system, etc., than subjecting the mixture to rolling and evacuating. The binder is otherwise formed by mixing and kneading the ceramic fibers and the alumina fibers/glass fibers/carbon fibers with the synthetic resin agent of the acrylic system, urethane system, vinyl ester system, epoxy system, etc.