PRF660 has a dry boiling point of 320°C (608°F), which is higher than some other leading brands. PRF660 has advanced moisture resistance properties, low levels of viscosity (for ease of bleeding), low levels of compressibility and meets DOT4 specifications.

R3 Specifications:

• Dry boiling point of 325°C (608°F)
• Supplied in 500ml Bottles
• Advanced moisture resistance properties
• Low levels of viscosity (for ease of bleeding)
• Low levels of compressibility
• Meets DOT4 specifications
• Suitable for all top levels of motorsport where abnormal temperatures are experienced.
• It should be noted that before using R3 fluid, any existing brake fluid should be drained completely from the brake system. The system should be thoroughly purged with new R3 and can be filled completely with new R3.

Designation:

• PRF660
• Radi-CAL™ R3 - 'Typical' Boiling Points:
• New Dry 325°C
• Wet E.R. 204°C
• Part Number: CP4660 | CP4660-20 (20x500ml)

Note:

With the introduction of an inhibitor, R3 can now be used with magnesium components.

The use of a high temperature fluid should not be used as a substitute for proper brake cooling. Brake temperatures can be determined using AP Racing temperature stickers (CP2650-11) and thermal paints (kit No CP2649-5).