DUESSELDORF, Germany—Henkel Adhesive Technologies has launched the latest in its series of Loctite rubber adhesives, dubbed Loctite SI 5930 FIT, for in-tire bonding applications.
The RTV silicone rubber adhesive bonds with all common tire rubbers and is compatible with different acoustic foams and tire release agents, Henkel said in a Jan. 31 statement.
The product, Henkel claims, would pave the way toward "next-generation tires" with low cavity noise and improved sensor technology.
Tire designers have greater focus on sounds resonating from tire cavities as part of a drive to reduce automotive noise, Henkel said. Many companies are adopting new acoustic foams that are bonded to the inside surface of the tread material in order to minimize the noise transfer.
At the same time, there is a growing demand for in-tire bonded sensors to measure performance parameters such as tire pressure, tread depth or contact area.
"A critical requirement…is the long-term reliable bonding strength of the adhesive material even under severe road, driving and weather conditions," said Wim Boone, senior sales engineer for Henkel. The new product, he went on to say, has proved its adhesion performance from the tire production line to "over one million kilometers of severe road testing."