▎ 摘　　要

NOVELTY - The utility model model claims a novel fireproof sealing rubber strip with graphene expansion strip, belonging to the technical field of sealing strip, wherein the outer side surface the sealing strip main body is sprayed with an outer high temperature resistant coating, one surface of the outer high temperature resistant coating is coated with a wear-resistant anticorrosive coating, the inner side surface the sealing strip main body is sprayed with an inner high temperature resistant coating, the inner part of the sealing strip main body is compounded with an expansion strip, one surface of the expansion contact is connected with an elastic plate, the novel fireproof sealing rubber strip with graphene expansion strip, the graphene expansion strip with U-shaped section is set, an elastic plate and an expansion sheet, which not only can increase the connection strength between the sealing strip main body and the sealing piece, but also can meet the heat expansion when meeting the fire, increase the fireproof sealing of the sealing strip main body, and through the wearable anti-corrosion coating and the inner high temperature resistant coating and the outer high temperature resistant coating, It can greatly prolong the service life of the fireproof sealing rubber strip.