Titanium dioxide ( chloride process ) compared with other kinds of white pigments :

Name	Relative Density	Refractive index	Tint reducing Reynolds number	Tint reducing relative value	hiding power
Tiatnium dioxide rutile Chloride process	4.0	2.85	1800	105	105
Tiatnium dioxide rutile sulfuric process	4.2	2.76	1650	100	100
Titanium dioxide anatase	3.91	2.55	1270	77	78
Barium sulfate	4.5	1.64
zinc oxide	5.6	2.02	200	12	14
lithopone	4.2	1.84	260	16
BasicLeadCarbonate	6.1	2	150	9	12
zinc sulfide	4	2.37	660	40	39