The disclosure embraces a method of spraying a binder composition of hybrid character containing both organic and inorganic materials into a fiber-forming hood or chamber onto glass fibers produced by a fiber-forming process, the disclosure embracing fibrous insulation products, such as pipe insulation...http://www.google.es/patents/US4310585?utm_source=gb-gplus-sharePatente US4310585 - Fibrous product formed of layers of compressed fibers
Fibrous product formed of layers of compressed fibers
