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Ceramic Rod

Grade: Cr2O3

Chemical Composition	%
Cr2O3	90.35
SiO2	5.02
Ai2O3	3.59
CaO	0.28
Na2O	0.26
Fe2O3	0.22
TiO2	0.18
MgO	0.1

Physical Properties
Diameter	4.75 mm
Length	600 mm
Hardness	> HV 1050
Color	Black

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Crystalline Tungsten Powder

Grade: JWT

Chemical Composition	%
W	≥ 99.9
Fe	≤ 0.02
Ni	≤ 0.02
O	≤ 0.02
Al	≤ 0.005
Cr	≤ 0.005
Cu	≤ 0.005
K	≤ 0.005
Mo	≤ 0.005

Physical Properties
H.B		7.3 - 8.9g/cc
Tap		9.0 - 10.5 g/cc
Flowability		≤ 12s / 50g
Sieve size: mesh	For diamond drill	-60 / +325 +60 < 5%, -325 < 10%
	For shoot bomb in petroleum exploitation	-200 / +325 +200 < 5%, -325 < 10%
	For surface spray	-200 / +325 +200 < 10%, -325 < 35%
	Customer specific mesh ranges are available upon request

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Crystalline Tungsten Carbide Powder

Grade: JCW

Appearance: Dark grey powder with good flowability

Applications: Use for Diamond drill, wear-resistant coat material, cemented carbide alloy, and it's cover in petroleum exploitation

Chemical Composition	%
T.C	≤ 6.00 - 6.20
Fe	≤ 0.30
O	≤ 0.20
F.c	≤ 0.10
Mo	≤ 0.10
Ti	≤ 0.10
Si	≤ 0.05
Nb	≤ 0.03
Ta	≤ 0.03
W	balance

Physical Properties
Sieve size: mesh	-60 / +325 -200 / +400
	Customer specific mesh ranges are available upon request

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Electrolytic Copper Powder

Characteristics: High purity, dendritic shaped powder, high electrical and thermal conductivity

Applications: Widely used in diamond tools, carbon products, friction materials, PM products and electrically conductive printing ink etc. applications, as well as in electronics industry.

Chemical Composition	%
Cu	> 99.8
H2 Loss	0.1
Fe	< 0.01
S	0.004
Pb	0.003
Sn	0.003
As	< 0.002
Sb	< 0.002
Zn	< 0.002
Bi	< 0.001

Chemical Composition
Grade	Cu (%)	O (%)	Acid insoluble (%)
CuD-1	≥ 99.8	< 0.15	< 0.05
CuD-2	≥ 99.8	< 0.15	< 0.05
CuD-3	≥ 99.8	< 0.20	< 0.05
CuD-4	≥ 99.8	< 0.25	< 0.05
CuD-5	≥ 99.8	< 0.15	< 0.05
CuD-6	≥ 99.8	< 0.20	< 0.05
CuD-7	≥ 99.8	< 0.20	< 0.05

Physical Properties
Grade	Apparent Density (g/cc)	Sieve size: mesh (%)
		+100	+150	+200	+325	-325
CuD-1	1.5 - 2.3	-	-	0 - 10	10 - 30	60 - 80
CuD-2	1.2 - 1.9	-	-	trace	0 - 5	95 - 100
CuD-3	1.5 - 2.0	-	-	0 - 5	10 - 20	75 - 90
CuD-4	1.7 - 2.8	0 - 10	10 - 30	30 - 60	10 - 40	Bal
CuD-5	1.3 - 1.6	-	-	0 - 10	15 - 35	Bal
CuD-6	1.0 - 1.3	-	-	0 - 10	15 - 35	Bal
CuD-7	0.7 - 1.3	-	-	0 - 10	15 - 35	Bal

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Fine Ferro-Alloy Powders

Fine ferro-alloy powders are used in powder metallurgy and other applications.

Fine ferro-alloy powders available are listed below

• Fine Ferro-Phosphorus Powder
• Fine Ferro-Molybdenum Powder
• Fine Ferro-Chromium Powder
• Fine High Carbon Ferro-Manganese Powder
• Fine Ferro-Silicon Powder
• Fine Ferro-Silicon Manganese Powder

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Manganese Sulfide Powder

Application: Additive for improving machinability

Characteristics:

• Significant improvement in machinability
• High sintering stability
• Good moisture resistance

Chemical Composition	Min (%)	Max (%)
Manganese	59.00	65.00
Sulphur	32.00	36.00
Others		3

Physical Properties
Particle Size (laser diffraction)	Min	Max
D10		4.0 µm
D50		8.0 µm
D90		20.0 µm

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Tungsten Disulfide

Grade: WS₂

Chemical Composition	%
WS2	99.9
W	74.18
S (in total)	25.75
H2O	0.045
S (dissociated)	0.02
Fe	0.0002
Al	0.0002
Cu	0.0003
Mo	0.0013
Si	0.0003
Mg	0.0002
Ca	0.0002
Ni	0.0002
C	0.001

Physical Properties
Appearance	Gray black powder
Coefficient of Friction	The dynamic coefficient of friction is about 0.03 The static coefficient of fricition is about 0.07
Hardness	Approx. 30 HRc
Temperature range	273°C to 650°C at normal atmosphere
Density	7.4 g/cm3
Particle size (FSSS)	0.4 - 0.6 µm 0.7 - 0.9 µm

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