Sealing butyl cord is a self-adhesive sealing material based on butyl rubber in the form of an uncured black plastic mass.The cord has high adhesion (stickiness) to metal, plastic and glass, which ensures reliable sealing. The material is resistant to temperature extremes. It is used for sealing joints, insulation during installation of automotive headlights, in order to prevent dust and moisture from entering the headlamp. Designed: insulation and sealing during installation of automotive headlights. Produced in the form of a cord.