Iron Oxide Black Kuncai's unique raw material purification process and other processes can obtain iron oxide black with high tinting strength, high blue phase, high dispersibility, low metal content, and uniform particle size. By controlling differen...

Iron Oxide Red Kuncai's first and unique raw material preparation process, through the unique seed crystal preparation process, calcination treatment process, etc., can obtain high weather resistance, high tinting strength, high dispersibility, low o...

Iron Oxide Yellow Kuncai's unique raw material purification process and other processes obtain high tinting strength, high dispersibility, low metal content, and uniform particle size iron oxide yellow. The unique cylindrical shape particles are prod...