RSL2 Compound Overview The RSL2 compound is a low metallic resin bonded material containing steel and composite aramid fibers. Of the Pagid Yellow endurance compounds this has the second-highest friction coefficient and initial bite. It maintains a stable and higher friction over a wide temperature range. This compound is known as very user-friendly with smooth modulation and release even with the high friction level. It has been very popular in club racing, enduro, and track days in GT and touring cars, especially with aero. Pagid RSL2 Characteristics high friction level very good fade resistance stable temperature range over 400°C excellent wear and easy on rotors high initial bite with excellent modulation