R903 is produced by sulphate process. It is rutile one whose surface is treated with aluminum and zirconium. TMP is adopted as surfactant. R903 gives end product outstanding gloss. Low absorption, nice weatherability, dispersity and whiteness are also its characters. It is suitable for interior and exterior coatings, latex paint, white masterbatch, plastic pipe and powder coating etc. We still have other grades for different applications. Please email me or call me for details. gztitanos at gmail dot com 159-9996-3672