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we products iron oxide red , It is used in Industry of paints ,coating , rubbers ,plastics and building materials. We buiDry iron oxide red is producted by calcing the mixture of pure iron powder and sulfric acid at 800 degree in a converter. The product owns exxellent characteristics of light fastness,weather fastness,chemical stability,bleeding proof ,high tinting strength and covering power as well as non-toxicity and competitive price. lt 1992.