MI 00 302 ................... download or print pdf 

DESCRIPTION:
A flexible resin bonded material designed for medium / heavy duty industrial applications. Its soft form yet hard wearing characteristics allow it to work silently while producing little wear itself or on working surfaces. Other property is the high frictional coefficient.


SOME TYPICAL APPLICATIONS:
It properties make it highly suited to indoor / warehouse crane brakes and electro-mechanical brake / clutch systems.


ADHESIVES:
The use of any well known thermosetting adhesive is recommended.


RUBBING SURFACES:
Good quality, fine grained pearlitic cast iron with Brinell hardness of 150-200 is recommended.


PHYSICAL PROPERTIES:
Density g/cm3 .... 1.67-1.77
Hardness (SHORE-D) .... 50-60
Acetone extraction .... <2%
Ignition loss .... 44-47%


MECHANICAL PROPERTIES:
Tensile strength N/mm² .... 2.9
(ASTM D-638)
Compressive strength N/mm².... 13.9
10% (UNE 53205)
Ultimate compressive strength N/mm² .... 190
N/mm² (UNE 53205)


FRICTION PROPERTIES:
Friction coefficient (dynamic) µ
(See graph) .... 0.5 ± 0.05


Wear rate (@ 79N, 7m/s)
F.A.S.T .... 45 - 70mm3 /Kwh


F.A.S.T. test conditions (max temperature)


F=79N v=7m/s t=90min ....<250ºC
F=100N v=7m/s t=90min
F=100N v=11m/s t=80min ....<304ºC


Recommended operating temperatures (max) :
Continuous operation .... 250 ºC
Intermittent operation .... 350 ºC


µ (friction coefficient) vs temperature @79N/7 m/s