R-248

R-248

R-248

R-248 is a general grade of rutile TiO2 pigment.It is produced by sulfate process with high quality ilmenite concentrate from Panzhihua & Xichang area.Advanced  inorganic coating by aluminum and zirconium,compound organic treatment has been adopted in production.It has stable performance in application of plastic,presenting bluish undertone,good fluidity,low oil absorption and good application property etc.
 
Recommended Applications
Master batch
Multilayer co-extruded film
Plastic pipe
Powder paint
 
Technical Index

Index Item Standard Typical Value
TiO2 Content,% ≥   95.0 96.5
Content of rutile,% ≥ 96.0 97.0
Brightness, % ≥ 94.2 94.9
L (dry powder)  —— 97.3
b (dry powder) —— 2.9
Reducing power (Reynolds number)   1850 1870
Dispersibility (Hegman) ≥     5.75 6.50
Oil absorption,g/100g ≤    19 15
Slurry pH 6.0-9.0 7.5
Electric resistivity,Ω·m ≥ 60 120
Volatile at 105℃, %  ≤ 0.8 0.2
Sieve residue(45μm), % ≤ 0.02 0.01
Average partical size(nm) SEM —— 230
Inorganic treatment ZrO2,Al2O3 ——
Organic treatment    Yes ——

PACKING
In 25kg,500kg,1000kg bags