Types SR and ST tungsten powders manufactured by Chinatungsten Online are the highest apparent density tungsten powder available. These powders are ideal for weight filler material and radiation shielding applications.
TYPICAL PHYSICAL PROPERTIES
TYPE |
AVG. PARTICLE SIZE FSSS (um) |
APPARENT DENSITY (g/in3) |
TAP DENSITY (g/cc) |
STANDARD SCREENING |
SR |
8.0 - 15.0 |
140 - 165 |
10.0 - 12.0 |
-100 Mesh |
ST |
20.0 - 40.0 |
150 - 165 |
10.0 - 12.0 |
-60 Mesh |
TYPICAL TRACE ELEMENT CHEMICAL ANALYSIS
METALLIC IMPURITIES (WT %) |
Element |
Max |
Typical |
Element |
Max |
Typical |
Al |
0.003 |
<0.001 |
Mo |
0.010 |
0.002 |
Co |
0.005 |
<0.001 |
Na |
0.010 |
0.002 |
Cr |
0.020 |
0.008 |
Ni |
0.020 |
0.008 |
Cu |
0.002 |
<0.001 |
Si |
0.005 |
<0.001 |
Fe |
0.020 |
0.008 |
Sn |
0.001 |
<0.001 |
<0.001 NON-METALLIC IMPURITIES (WT %) |
Carbon |
<0.010 |
Oxygen (Loss on Reduction) |
<0.350 |
<0.001 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
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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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