Titanium Dioxide Hr991

We are offering titanium dioxide hr991.
hr991 is a rutiltype titanium dioxide product manufactured by chloride process. It is an improved product of the hr990 series with much better color-killing capacity and weather-resistance．it is of multi purpose．higher covering power, lower oil absorption, and better stability．it is omparable with the most high quality products in every quality aspect．hr991 is widely used in paints, inks, plastic goods, paper industry, etc.
titanium content % ≥92.0
brightness % ≥94.0
tinting strength(reynolds) ≥1820
water soluble % ≤0.50
rutile content % ≥97.0
ph of aqueous suspension 5.0－8.5
oil absorption,g/100g ≤21.0
sieve residue 45um ％ ≤0.05
volatile at 105℃ g/100g ≤0.80
color not lower than standard
resistivity of aqueous extract ω.m ≥50
dispersion（hegmann） ≥5.50