SEALING SHEET MATERIAL FOR USE IN LIQUID AND FUEL-OIL ENVIRONMENTS Russian patent published in 2021 - IPC C08L9/04 C08L97/02 C08K3/13 

FIELD: mechanical engineering.

SUBSTANCE: invention relates to the field of mechanical engineering and can be used to seal flat joints operating in liquid and fuel-oil media. The sealing sheet material contains vegetable fibers, mineral filler, pigment and binder. Synthetic butadiene-nitrile latex is used as a binder. Talc is used as a mineral filler. Waste paper fibers from waste products of production and consumption of cardboard, corrugated cardboard and paper are used as fibers of plant origin.

EFFECT: invention provides the expansion of the raw material base while simultaneously increasing the sealing ability, strength and heat resistance of the sealing material.

4 cl, 2 tbl