Content: 93% min Rutile type conversion rate: 98% min Whitemess: 97% min Tint Redusing Power, compared with standard Samples: 100% min 105 Volatile matter: 0.8% max Oil Absorption: 23 max 45 um sieve residue: 0.05% max pH value of aqueous suspension: 6.5-8.0 Hiding power: 25.0 max Water-soluble Matter: 0.5% max