Thermofiber 4242
THERMOFIBER 4242 is a high friction coefficient material noted that is fully cured with phenolic resins, a NBR rubber bonding system, short brass fibers and friction modifiers.
THERMOFIBER 4242 is ideally suited for industrial calipers, static brakes, and heavily-loaded winches & cranes. TF4242 can be bonded & riveted, and is available in all popular thicknesses and in sheet sizes of 30″x30″, 25″x25″, and 20″x20″.
AVAILABLE FORMS Flat Sheets, Special Molded Pieces
TF4242 Technical Data
COLOR Grey/Green
STRUCTURE Flexible Molded
COMPOSITION
Metallic Yes
Aramid No
MAIN FIBER Glass
TYPE OF SERVICE Dry
COEFFICIENT OF FRICTION (μ) 0.50
TEMP FADING 590 F
WEAR RATE 45 +/-10mm3/kwh
MECHANICAL RESISTANCE
Tensile Strength 3N/mm2
Compressive Strength 190N/mm2
HARDNESS 55 +/-5
SPECIFIC GRAVITY 1.60 +/-0.05
MAX. TEMP CONTINOUS 482 F
MAX. TEMP INTERMITTENT 690 F
The above test data is provided for informational purposes and represents standards in controlled laboratory settings. Actual performance will vary by application and operating conditions.