COMPOSITION FOR THE MANUFACTURE OF LIGHTWEIGHT CONSTRUCTION MATERIAL Russian patent published in 2023 - IPC C04B18/24 C04B26/14 C04B28/04 C04B111/28 C04B111/40 

FIELD: construction materials.

SUBSTANCE: heat-insulating materials. The composition for the manufacture of lightweight construction material based on flax or hemp growing waste contains, wt%: hemp or flax chaff of a fraction of 0.1-0.4 mm 1.0-1.5, hemp or flax chaff of a fraction of 1-5 mm 28 .0-32.0, hemp or flax chaff of a fraction of 6-50 mm 2.0-5.0, cement grade 500 15.0-18.0, sand fraction 0.1-1.0 mm 25.0-30.0, butadiene-styrene latex 1.0-2.0, calcium carbonate 1.0-2.0, sodium silicate aqueous solution 0.4-0.8, uncured epoxy-diane resin 8.0-10.0, water up to 100.

EFFECT: obtaining a lightweight organic construction material with fire-resistant properties while ensuring optimal strength.

1 cl, 3 ex