ReNuBIT™ and ReLIXER™ work great in 100% and high RAP cold patch mixes.  Here are some starting formulas for your use:

with  ReNuBIT™ with  ReLIXER™
Stone, dry 19 % 25 %
RAP, dry 72 % 69 %
Anti-Strip 4 % 4 %
ReNuBIT™ 5 %
ReLIXER™ 2 %
Total 100 % 100 %