PARTICULA E ESPECIALMENTE FIBRA,PRINCIPALMENTE DE FIBRA OU DE ROCHA,REVESTIDA COM UMA PELICULA DE POLIMERO,PROCESSO DE FABRICACAO DE UM REVESTIMENTO E PRODUTO DE REVESTIMENTO

摘要

Fibres, particularly glass or rock wool fibres coated with a modified polyvinyl alcohol-based polymer and suitable for use as a base material to produce a surface coating on a backing by simultaneous spraying of the coated fibres mixed with water and a cross-linking agent. A method of producing the fibres to make them suitable to be sprayed in the manner described is also provided.