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Iron Oxide Application: It is widely used for color in construction, coating, ink, abrasive, paper rubber & plastic. Specification-Iron Oxide Red: Specification: Fe 2 O 3 ≥ *6.0 % Volatile at **5℃ ≤1.0% Water Sol.salts ≤ 0.3 % ***** **5 mesh ≤ 0.3 % Oil absorption 1 5 ～ *5 % pH volue 3 ～ 7 Moisture ≤ 1.0 Tamped apparent density 0. 7 ～ 1.1 Δ E compared with std ≤ 1 Tinting strength *5 ～ **5 Specifications-Iron Oxide Black: Fe 2 O 3 ≥ *3.0% Volatile at **5℃ ≤1.5% Water Sol.salts ≤ 0.5 % ***** **5 mesh ≤ 0.5 % Oil absorption 1 5 ～ *5 % pH volue 5 ～ 8 Moisture ≤ 1.0 Tamped apparent density 0. 8 ～ 1.2 Particle shape spherical Δ E compared with std ≤ 1 Tinting strength *5 ～ **5 Specification-Iron Oxide Black: Fe 2 O 3 ≥ *6 % Volatile at **5℃ ≤1.0% Oil absorption *5 ～ *5 % ***** **5 mesh ≤ 0.5 % Water Sol.salts ≤ 0.5 % Moisture ≤ 1.0 pH volue 3 ～ 7 Tamped apparent density 0. 4 ～ 0.6 Particle shape acicular ΔE compared with std ≤ 1 Tinting strength *5 ～ **5 packing is *5kg/pp bag, Payment:L/C at sight or T/T Delivery time: Within two weeks after receive your workable L/C or T/T if you are interested so please feel free and send inquiry to us for more details