The Mastercool 90935 aluminum repair compound is a metal filled polymer formula designed to create strong, non rusting repairs on aluminum components. It is suitable for condensers, evaporators, radiators and AC lines, making it useful for automotive, industrial and HVAC applications. The compound withstands up to 650 psi line pressure and provides a tensile strength of 3500 psi, ensuring durable and long lasting repairs. Its corrosion resistant properties help maintain seal integrity over time. Built for professional technicians, the 90935 offers a reliable solution for restoring aluminum components exposed to pressure, vibration and harsh operating conditions.