FLAMMEFAST BAERERBANE FOR BITUMENBANER OG FREMGANGSMAATE FOR FREMSTILLING DERAV.

摘要

A carrier web of a sheet-like fiber material consisting of a glass fiber mat and a mat of synthetic fibers, which and are needled together and are end-consolidated with a polymer-free low-formaldehyde melamine-formaldehyde precondensate, and a process for its preparation are described. The carrier web is preferably end-consolidated with a melamine-formaldehyde precondensate which is partly etherified and/or sulfamate-modified.