Crystalline Tungsten Powder
Introduction
Of the highest quality and purity, the specially prepared crystalline tungsten powder produced at Chinatungsten Online are large particle size tungsten powders beyond the range of the Fisher Sub-Sieve Sizer(FSSS), classified by mesh size. The crystalline tungsten powder has applications such as matrix and spray powders.
Typical Physical Properties of Crystalline Tungsten Powder
Type |
Description |
Apparent Density(g/in3) |
Mesh Analysis |
|
Mesh |
WT% |
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C100 |
-325 |
110 - 140 |
+325 |
0 - 10 |
C110 |
-200/+325 |
105 - 135 |
+200 |
0 |
C120 |
-60/+325 |
95 - 125 |
+60 |
0 |
CUSTOMER SPECIFIC MESH RANGES AVAILABLE |
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TYPICAL TRACE ELEMENT CHEMICAL ANALYSIS
METALLIC IMPURITIES (WT%) |
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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%) |
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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. We prepare 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 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.
