Thermotech 149

TTG149 is a molded graphite material with a high percentage of carbonaceous components that provide superior energy absorption.

• Outstanding thermal stability in high energy applications
• Stable coefficient of friction
• Good wear resistance

TYPICAL APPLICATIONS Heavy Duty Power Shift Clutches, Wet Brakes, Transmissions

AVAILABLE FORMS Graphite Friction Plates

TYPICAL APPLICATIONS Wheel Brakes, LSD, Transmission Clutch

MATING MATERIAL Steel Hardened & Hampered, Cast Steel, Grey Cast Iron
Surface Finish < 0.5μm Ra (20μ")

Friction Material Data

FRICTION COEFFICIENT (WET)
Static 0.135 – 0.150
Dynamic 0.110 – 0.125

RECOMMENDED LOAD
Max Dynamic Pressure 3.5 N/mm2 (464 lbf/in2)
Max Rubbing Speed 35 m/s (130 ft/sec)
Max Specific Power 4.0 W/mm2 (3.4 HP/in2)
Energy Capacity 210 J/cm2

OIL GROOVING

• Grooves are machined
• Sunburst and Waffle

DIMENSIONS
Friction Thickness 1.50mm (0.060″) max / 0.04mm (0.016″) min
Friction Diameter 660 mm (26″) max