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Zibo Rongzhi Chemical Co.,Ltd was founded in 1992 Our company is a professional company that produces serial iron oxide pigment. And owns advanced equipment for producing high quality pigment.Also we have owns brand “JIUHONG”.We are one of the most important pigment producer and supplier in all of the world as well.Withe the development of our company,we have began to invest a series of products.Except from iron oxide series,our products include Titanium Dioxide and Rubber Adhesion Poromoting Agent,etc.

We stick to the faith of safeth and environmental protection, and adopt the dry synthesis technology, our self-owned intellectual property right, to produce iron oxide red, which are baked at 800℃ with industrial slag and waste sulfur acid. The resisting climate change of the iron oxide red is 3-5 times than produced with wet methods. And antirust capacity is increased more than 80%. And all the indexes conform to the specification of GB/T1863-2008. With 10000 tons annual output, we are now the largest producer of dry iron oxide red in China and the world. More than 60% products of our company are exported to overseas every year.

We have passed the authentication of ISO9001 International Quality System in 2007.We also have the ISO 14000 and ISO 18000 certificate in 2008.

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Zibo Rongzhi Chemical 722 Iron Oxide Black is used for high quality paints,coloring agent in plastic,rubber industry,also used in chemical fiber,leather making.

Zibo Rongzhi Chemical 722 IRON OXIDE BLACK

Zibo Rongzhi Chemical Iron Oxide Green is used for high quality paints, coloring agent in plastic, rubber industry also used in chemical fiber, leather making.

Zibo Rongzhi Chemical IRON OXIDE GREEN

Zibo Rongzhi Chemical Anatase Type Titanium Dioxide ZA20 is mainly used in producing high type paint, latex paint, coating and color masterbatch etc.

Zibo Rongzhi Chemical ANATASE TYPE TITANIUM DIOXIDE ZA20

Zibo Rongzhi Chemical 313 Iron Oxide Yellow is used for high quality paints, coloring agent in plastic, rubber industry also used in chemical fiber, leather making.

Zibo Rongzhi Chemical 313 IRON OXIDE YELLOW

Zibo Rongzhi Chemical Rutile Type Titanium Dioxide RZ16 can be used for plastic, rubber etc.

Zibo Rongzhi Chemical RUTILE TYPE TITANIUM DIOXIDE RZ16

Zibo Rongzhi Chemical Iron Oxide Blue is used for high quality paints, coloring agent in plastic, rubber industry also used in chemical fiber, leather making.

Zibo Rongzhi Chemical IRON OXIDE BLUE

Zibo Rongzhi Chemical Iron Oxide Brown is used for high quality paints, coloring agent in plastic, rubber industry also used in chemical fiber, leather making.

Zibo Rongzhi Chemical IRON OXIDE BROWN

Zibo Rongzhi Chemical

Zibo Rongzhi Chemical Co.,Ltd was founded in 1992 Our company is a professional company that produces serial iron oxide pigment. And owns advanced equipment for producing high quality pigment.Also we 

Zibo Rongzhi Chemical - Knowde

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Zibo Rongzhi Chemical 722 IRON OXIDE BLACK - Pigment - Knowde

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	Value	Units	Test Method / Conditions
Iron (II,III) oxide Content	min. 90	% (m/m)	—
Moisture Content	max. 1	% (m/m)	—
Soluble Matter in Water	min. 0.5	% (m/m)	—
Residue after Sifting (45µm)	max. 0.5	% (m/m)	—
Oil Absorption	15-25	g/100g	—
pH in Extract Water	5. 0-8.0	g/100g	—
Tinting Strength	min. 100+5	%	—

Zibo Rongzhi Chemical 722 IRON OXIDE BLACK

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