An OEM factory service specified two-part adhesive used to mount the rearview mirror bracket on the vehicle windshield. Designed for the "button" that is glued to the windshield at the factory using a heat-activated process.
Permanently bonds to the windshield with no clamping and a set time for one (1) minute. Non-flammable, non-toxic. Resists moisture, light, and temperature changes.
One use only. Not designed for plastic "buttons".