.:Techniques Information:.
SWR ................... download or print pdf
DESCRIPTION:
Is an asbestos free woven material composed by finely carded yarns and brass wire.
Its a dense tough material which exhibits resistance to heat and compression under load.
SOME TYPICAL APPLICATIONS:
Light to heavy duty service in winches, cranes, etc.
Its oil and grease resistant suitable for light to medium duty operation in oil.
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 .... 1.61
Hardness (SHORE-D) .... 60-70
MECHANICAL PROPERTIES:
Ultimate tensile strength .... kg/cm² 246 (6.35 thickness)
(ASTM D638)
Ultimate flexible strengt .... FLEXIBLE
(ASTM D790)
Ultimate shear strength .... 5.2MN/m² (750lbf/in²)
(ASTM D732)
FRICTION PROPERTIES:
Friction coefficient (dynamic)µ
(See graph) .... 0.55
INTERVALLO DI UTILIZZO CONSIGLIATO:
Maximum velocity (m/s).... 15.24
Maximum Unit Pressure (kg/cm2) .... 14
Max. continuous temperature (°C) .... 288
Max. Intermittent temperature (°C) .... 235
°C
Minimum .... -23
µ (friction coefficient) vs temperature @79N/7 m/s
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