CRUDE MIXTURE FOR MAKING GYPSUM BRICK

摘要

FIELD: chemistry. ^ SUBSTANCE: invention relates to production of construction materials based on phosphogypsum binder. The crude mixture for making gypsum brick contains the following in wt %: phosphogypsum binder 48-52; quartz sand 17-25; ground unslaked lime 0.05-0.15; synthetic fibre filler 0.5-0.9; water - the rest. ^ EFFECT: high strength of the brick made from the crude mixture. ^ 1 tbl