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"Harzer Zinkoxide GmbH (HZO) is one of the leading European manufacturers of zinc oxide and zinc dust: our brand HZO (for Harzer Zinkoxide) expresses our activities. Our customers benefit from an optimal product range, with different qualities tailored to the respective applications and a very high degree of supply security.

Harzer Zinkoxide GmbH (HZO) uses the New Jersey refined zinc distillation process, producing high-purity zinc oxide from secondary raw materials such as zinc scrap or remelted zinc. Our process is highly energy-efficient and has the lowest possible CO₂ emissions, which puts us to the top of Europe’s zinc recycling industry."

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Harzer Zinkoxide (HZO) 34595 Green-Shade Blue are ultramarine pigments for the manufacture of inorganic pigments.

Harzer Zinkoxide GmbH (HZO) 34595 green-shade blue

Harzer Zinkoxide (HZO) UPL 1690 Mid-Shade Blue are ultramarine pigments for the manufacture of inorganic pigments.

Harzer Zinkoxide GmbH (HZO) UPL 1690 mid-shade blue

Harzer Zinkoxide (HZO) UP-V3 violet are ultramarine pigments for the manufacture of inorganic pigments.

Harzer Zinkoxide GmbH (HZO) UP-V3 violet

Harzer Zinkoxide (HZO) AR4 UP-V3 Acid-Resistant Blue are ultramarine pigments for the manufacture of inorganic pigments.

Harzer Zinkoxide GmbH (HZO) AR4 UP-V3 acid-resistant blue

Harzer Zinkoxide (HZO) UPL 2065 Red-Shade Blue are ultramarine pigments for the manufacture of inorganic pigments.

Harzer Zinkoxide GmbH (HZO) UPL 2065 red-shade blue

Harzer Zinkoxide GmbH (HZO)

"Harzer Zinkoxide GmbH (HZO) is one of the leading European manufacturers of zinc oxide and zinc dust: our brand HZO (for Harzer Zinkoxide) expresses our activities. Our customers benefit from an opti

Harzer Zinkoxide - Zinc Oxide - Zinc Dust - Knowde

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Harzer Zinkoxide - AR4 UP-V3 acid-resistant blue - 77007 - Knowde

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	Value	Units	Test Method / Conditions
Tinting strength	± 5	%	-
DE	max. 1.7	-	-
DL	± 0.5	-	-
DC	± 1.3	-	-
DH	± 1.0	-	-
Free sulphur	0.5	%	-
Oil absorption	32 - 35	% wt/wt	-
Median particle diameter	max. 3.5	µm	-
45µm sieve residue	max. 0.1	%	-
Heat stability (350°C in air)	STABLE	-	-
Light-fastness MASSTONE §	7-8	-	-
Light-fastness TINT §	7-8	-	-
Acid resistance	Poor	-	-
Alkali resistance	Good	-	-

Harzer Zinkoxide GmbH (HZO) AR4 UP-V3 acid-resistant blue

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