Fire protection element having bimetal

A fire protection element for sealing a combustible body, which penetrates an opening in a wall or ceiling, in the event of a fire, wherein the fire protection element has a belt-shaped carrier from an edge of which tongues protrude transversely to a longitudinal direction of said carrier,

• wherein the tongues are connected to the belt-shaped carrier,
• wherein at least a significant proportion of the tongues is formed of a bimetal which can move in one direction under the effect of heat, and
• wherein a fire protection material is applied to at least one side of the tongues,
• wherein the fire protection material comprises an intumescent material and a matrix material,
• wherein the intumescent material comprises expandable graphite, and
• wherein the matrix material comprises a polyurethane-based material.