IRS has some that is bottled the same and is the same color, since shock, rear axle assembly, currently and previous versions also had IRS pod plates, you might be able to find out directly form IRS.
My observation is they seem to have a thicker consisentcy and stay useful in the tubes longer but have a damping property of an apparently thinner. Compared to what I used before (CRC white and blue) I would say the red is around 25,000 wt
RC America - X-Ray - ORCA - EA Motorsorts - Sweep Racing Tires - TQ Wire - ProOne Racing Tires -
LONG LIVE OPEN MODIFIED