TIMCAL TIMREX® T44 Primary Synthetic Graphite

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TIMCAL TIMREX® T44 Primary Synthetic Graphite
Categories:	Carbon; Graphite; Other Engineering Material; Additive/Filler for Polymer
Material Notes:	TIMREX Primary Synthetic Graphite is produced in a unique highly controlled graphitization process which assures narrow specifications and unequalled consistent quality due to: monitoring of all production and processing stages, strict final inspection, and clearly defined development processes. TIMREX Primary Synthetic Graphite shows unique properties thanks to the combination of a consistent purity, perfect crystalline structure and well defined texture. Tribological and mechanical properties: High toughness Good lubrication properties Advantages and applications: Low friction coefficient Low wear of the counterpart and low self-wear Good transfer-film formation Medium electrical conductivity Medium density of brushes and parts Suitable for pitch-bonded and resin-bonded brushes Information provided by TIMCAL
Key Words:	CAS Number 7782-42-5
Vendors:	No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
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Physical Properties	Original Value	Comments

Bulk Density	0.180 g/cc	Scott
Particle Size	43 µm	springback 20.5%, pressure of 0.477 t/cc
	37 - 52 µm	d90, Guaranteed
	45 µm	at a density of 1.55 g/cc, pressure of 2.5 t/cc
	57.5 µm	d90, Typical
	75 µm	springback 23%, pressure of 0.477 t/cc
	80 µm	at a density of 1.48 g/cc, pressure of 2.5 t/cc
	145 µm	at a density of 1.39 g/cc, pressure of 2.5 t/cc
	145 µm	springback 24%, pressure of 0.477 t/cc
Specific Surface Area	10 m²/g	BET
Ash	0.070 %	Typical
	<= 0.10 %	Guaranteed

Mechanical Properties	Original Value	Comments
Coefficient of Friction	0.30 @Temperature 850 °C, Time 10800 sec	Sintered Cu-C -brake pads with 10% TIMREX® Coke, Sinter density: 55% of the theoret. density

Electrical Properties	Original Value	Comments
Electrical Resistivity	2.25 ohm-cm	particle size 40 um, pressure of 2.5 t/cc
	2.50 ohm-cm	particle size 70 um, pressure of 2.5 t/cc

Component Elements Properties	Original Value	Comments
H2O, Water	0.10 %	Typical
	<= 0.50 %	Guaranteed

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