Table 2.

Basic performance parameters of nano-TiO₂.

Technical Indicators	Unit	Technical Requirement	Test Result
Exterior	—	White powder	White powder
Average grain diameter	nm	10 ± 5	10.3
PH value of aqueous suspension	—	6~7	6.8
Apparent density	—	≯0.30	0.28
Titanium dioxide content	%	≮99.5	99.9
Specific surface area	m2/g	≮120	124
Drying shrinkage	%	≯0.5	0.45
Burning weightlessness	%	≯1.0	0.89
Moisture	%	≯1.5	1.3