TITANIUM DIOXIDE | MATERIALS
244 is a high-performance chloride product from Tronox intended for use in a wide range of masterbatch applications. The company says the grade “has been designed to deliver the best balance of opacity, processability and consistency. Tiona 244’s excellent dispersion characteristics maximise efficiency and performance in plastic processing.” The Tiona 244 product is manufactured at
Tronox’s Stallingborough facility in the UK, using the company’s proprietary chloride technology. “Consistency and quality are effectively managed through sophisticated control of surface treatment, advanced particle size testing and filter pressure testing,” the company says. It adds that Tiona 244 is recommended for evaluation in custom colour concentrate, white concentrate, polyolefins, ABS, polystyrene, flexible PVC, PVC pipe and plastisols. Meanwhile, Venator launched Tioxide TR29 — described as an ultra-low moisture TiO2
pigment
— at the K2019 show in Germany. The company says it is its highest performing white pigment for low moisture applications and demanding process- ing conditions. The TR29 grade is designed for use in manufacture of highly technical thin films and in
engineering polymers where moisture sensitivity is a consideration. It can be used to create master- batches with a very high TiO2
loading, according
to Venator. Potential applications are said to include earphones and smartphone shells; ski masks; and air conditioning units. The latest addition to the Ti-Pure product
line from Chemours is TS-4657, a rutile pigment manufactured by the chloride process and focused on ink applications. The company says the product is brighter and whiter than competing sulphate products and that it combines high opacity and colour retention with low abrasion. The low abrasion characteristics may see the new grade win some applications in plastics, it is thought.
Extender options
Development also continues on materials that offer the ability to “extend” TiO2
. The FP-Opacity Pig-
ments are described by producer FP-Pigments as “the next generation development in TiO2
efficien-
cy, moving forward from randomly distributed rutile into engineered composite pigment particles.” According to Andy White, business unit director
R
Above: The latest addition to the Venator product line is Tioxide TR29, an ultra-low moisture pigment grade
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