GRAIN MIXTURE FOR MELTING SNOW AND ICE

摘要

FIELD: materials for miscellaneous applications. ^ SUBSTANCE: grain mixture comprise, in mass %, 15-45% of compressed first salt of alkaline or alkaline-earth metal and 85-55% of the second salt of alkaline or alkaline-earth metal. The first salt is a waterless hygroscopic salt. ^ EFFECT: reduced cost. ^ 14 cl, 4 dwg