Of the highest quality and purity, the specially prepared crystalline tungsten powders produced at Chinatungsten Online are large particle size tungsten powders beyond the range of the Fisher Sub-Sieve Sizer, classified by mesh size. The Crystalline Tungsten Powders have applications such as matrix and spray powders.
TYPICAL PHYSICAL PROPERTIES
TYPE |
DESCRIPTION |
APPARENT DENSITY1(g/in3) |
MESH ANALYSIS |
Mesh |
WT% |
C100 |
-325 |
110 - 140 |
+325
-325 |
0 - 10
>90 |
C110 |
-200/+325 |
105 - 135 |
+200
-325 |
0
0 -10 |
C120 |
-60/+325 |
95 - 125 |
+60
-325 |
0
0 - 10 |
CUSTOMER SPECIFIC MESH RANGES AVAILABLE2 |
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TYPICAL TRACE ELEMENT CHEMICAL ANALYSIS
METALLIC IMPURITIES (WT%) |
Element |
Max |
Typical |
Element |
Max |
Typical |
Al |
0.003 |
<0.001 |
Mo |
0.020 |
0.005 |
Co |
0.005 |
<0.001 |
Na |
0.010 |
0.002 |
Cr |
0.020 |
0.008 |
Ni |
0.020 |
0.008 |
Cu |
0.005 |
<0.001 |
Si |
0.002 |
<0.001 |
Fe |
0.020 |
0.004 |
Sn |
0.002 |
<0.001 |
NON_METALLIC IMPURITIES (WT%) |
Carbon |
<0.008 |
Oxygen (Loss on Reduction) |
<0.070 |
W (WT %) > 99.8 Excluding Gases |
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ANALYTICAL REPORTS
A Certificate of Analysis (COA) accompanies each shipment of tungsten carbide powder. BTI’s own Powder Metallurgy QC Laboratory prepares each COA to include the following:
- Average Particle Size (Fisher Sub-Sieve ASTM B-330)
- Apparent Density (Scott Volumeter ASTM B-329) ]
- Particle Size Distribution (Photelometer ASTM B-430, Sedigraph, or Malvern Mastersizer)
- Chemical Impurity Analysis
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Packing:In iron drums lined with double plastic bags of 50 or
100 kgs net each.
Note:Any particular requirements to the products can be
discussed.
If you have any interest in our products, please feel free to contact us by email: sales@chinatungsten.com or by telephone:
+86 592 5129696.
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