Binder composition for mineral fibers comprising at least one hydrocolloid and a fatty acid ester of glycerol

An aqueous binder composition, wherein the composition is suitable for binding mineral fibers and comprises (i) at least two hydrocolloids, one hydrocolloid being gelatin and at least one other hydrocolloid being pectin, starch, alginate, agar agar, carrageenan, gellan gum, guar gum, gum arabic, locust bean gum, xanthan gum, cellulose, a cellulose derivative, arabinoxylan, curdlan, or β-glucan, and (ii) at least one fatty acid ester of glycerol, gelatin being present in an amount of from 10 wt.-% to 95 wt.-%, based on a total weight of (i).