The PEAK Mobile Patcher by Diamond Road produces a high quality rubberized asphalt patching material (PEAK asphalt) to create the best patches in concrete and asphalt.
PEAK stands for:

P Progressively voided
E Eight percent oil (the highest in the industry)
A Asphalt (Asphalt based, can be made using recycled asphalt as a major component)
K Key additives (rubberized oil both polymer and rubber crumbs from recycled tires), carbon black (anti-oxidant), lime (anti-strip), highly crushed aggregate to create voids to hold the additional oil.