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H.C. Starck Tungsten Powders is a company of the Masan High-Tech Materials Group and one of the world’s leading providers of tungsten products, with locations in Germany, China, and Canada. Drawing on a hundred years of experience, we develop, produce, and distribute high-performance powders of this technology metal and its compounds. Our goal is to work with each customer to develop the best solution for their specific requirements. We research, develop, and optimize so that we can contribute our expertise to a positive future, for we knowing that the element tungsten still contains countless possibilities.

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Tungstic Acid is a bright yellow fine powder for the production of tungsten metals and catalysts.

H C Starck Tungstic Acid

Yellow Tungsten Oxide is a yellow powder, sometimes with a touch of green, for coating applications with electroluminescence and for the production of tungsten metal powders used in hardmetals, lamp wires or heating wires.

H C Starck Yellow Tungsten Oxide

Tungsten Metal Powder HC 300 is the well-known standard grade which is mainly used for tungsten heavy metal alloys, electric contact materials, raw material for cemented carbide production, diamond tools, unalloyed tungsten rods and wires.

H C Starck Tungsten Metal Powder HC 300

Ammonium Metatungstate (AMT) is a grayish white crystalline powder which is highly soluble in water and used for the production of tungsten metal powder and catalysts.

H C Starck Ammonium Metatungstate (AMT)

Blue Tungsten Oxide is a blue crystalline powder for the production of tungsten metal powders used in hard metals, lamp wires or heating wires.

H C Starck Blue Tungsten Oxide

Sodium Tungstate is a white crystalline powder for the production of luminophores, phosphorus, pigments and catalysts.

H C Starck Sodium Tungstate

Tungsten Metal Powder GG is a special grade with low oxygen content, mainly used for cu-ag/ w infiltration composites and mining/ drilling applications.

H C Starck Tungsten Metal Powder GG

Ammonium Paratungstate is a white crystalline powder for the production of tungsten oxides and tungsten metal powders used in hard metals.

H C Starck Ammonium Paratungstate

Tungsten Metal Powder HC 4000 is a standard grade of coarse metal powders for metallurgical applications and filler for compounds, e.G. Radiation shielding.

H C Starck Tungsten Metal Powder HC 4000

H C Starck

H.C. Starck Tungsten Powders is a company of the Masan High-Tech Materials Group and one of the world’s leading providers of tungsten products, with locations in Germany, China, and Canada. Drawing on

H C Starck - Tungsten Powders - HighPerformance - Metal

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H C Starck Ammonium Paratungstate Technical Data Sheet

H C Starck Ammonium Paratungstate Technical Data Sheet - H C Starck

H C Starck Ammonium Paratungstate - Precursor - Knowde

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	Value	Units	Test Method / Conditions
Aluminium Content	max. 5	ppm	-
Arsenic Content	max. 5	ppm	-
Boron Content	max. 5	ppm	-
Carbon Content	max. 30	ppm	-
Chloride Content	max. 10	ppm	-
Fluorine Content	max. 10	ppm	-
Iron Content	max. 5	ppm	-
Molybdenum Content	max. 5	ppm	-
Sodium Content	max. 10	ppm	-
Phosphorus Content	max. 10	ppm	-
Sulfur Content	max. 10	ppm	-
Silicon Content	max. 5	ppm	-
Vanadium Content	max. 5	ppm	-
WO₃ (Calculated)⁴	min. 88.5	%	-

	Value	Units	Test Method / Conditions
Apparent Density²	32 - 48	g/inch³	-
Loss on Ignition (750°C/2.0h)	max. 11.5	%	-
Sieve analysis³ (-250 μm)	max. 1	%	-

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