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Titanium Dioxide
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Titanium dioxide, also known as titanium oxide or titania, is the naturally occuring oxide of titanium,chemical formula TiO2. When used as a pigment, it is called titanium white,Pigment white. Generally it is sourced from ilmenite, tutile and anatase. It has a wide range of applications, from paint to sunscreen to food coloring.

R838 is produced by sulfate process, It is a Rutile TiO2 pigment which is Inorganic Si, Al surface coating, organic surface treating. Has optical properties of partial blue phase, good whiteness,good optical properties and hiding power, good durability and dispersion etc.

Product appearance: white powder

Test ItemsStandardResult
TiO2 purity% m/m92 Min.93
Matter volatile at 105ºC % m/m0.8 Max. 0.4
Hydrotrope %0.5 Max.0.3
Residue on sieve 45 µm %0.03 Max. 0.019
Color compare with standardnot lower than not lower than 
Titing strength compare with standard %108 Min. 115
PH of suspension, aqueous solution retainted6.5----8.5 7.4
Oil absorbtion g / 100g21 Max.20
Resistivity of aqueous extract Ωm50 Min 116
Rutile crystal form conversion,%97 Min. 98.4
Average particle size µm0.22-0.280.24

Titanium Dioxide Rutile R838

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