Product Overview

KJ-669A butyl adhesive is a non-curing, self-adhesive material made primarily from isobutylene rubber, along with other polymer materials. Its features include easy application through finger pressure, good adhesion to automotive inner steel plates and waterproof membranes, and the ability to maintain long-term viscoelasticity and sealing properties. Additionally, it exhibits excellent weather resistance and waterproofing, does not flow at high temperatures, and does not crack at low temperatures. The product meets the emission performance testing standards for automotive materials and components.

Applicable Scope

Bonding and sealing of waterproof membranes on door inner panels, sealing of interior decorative strips, and sealing of automotive windshield trim.