Fecha de publicación: 25/11/2022 Fuente: WIPO "hemp" Disclosed is an insulation product comprising hemp fibres bonded together using one or more biopolymers. Hemp fibres having lengths of between 5 and 100 mm amount to at least 50% by weight of the product. A hemp containing insulating batt or board may be made from opened hemp fibres, opened biopolymer binder fibres, mixing to produce a mixture in which the components are dispersed, air-laying the mixture, heating to above the melting point of the biopolymer binder fibres, forming to a desired thickness or density; and cooling