Brake Pad Conversion Chart

COBALT
CARBOTECH
HAWK
PFC
PAGID
FERODO
MINTEX
PORTERFIELD
WINMAX
XR1 XP20, XP24 DTC-70 03, 05, 07 RS15 DSUNO, DS2.11 F1R N/A W6, W6.5, W7
XR2 XP12, XP16 DTC-60, HT-10, HT-14 01, 06 RS14 DS1.11, DS3000 F2R, F3R N/A W4, W5
XR3 (CSR) XP8, XP10 DTC-30, Blue 9012 97 RS5, RS29 4003 F6R R4 W3
XR4 AX6 DTC-15, Black N/A RS4-2 DS2500 N/A R4S W2
XR5 1521 DTC-05 N/A RS7-1 N/A N/A N/A W1

Original Source: http://www.cobaltfriction.com/category_s/2452.htm
PRC have updated the CarboTech column in the chart above with CarboTech™ XP24™ (This is an estimate of compound hardness and NOT a fact).
PRC have updated the chart above with WinmaX™ compounds (This is an estimate of compound hardness and NOT a fact).