Specification:

Appearance: white powder

BaSO4 Content: 98% min

volatile matter（105。C） 0.3% max

Water soluble: 0.3% max

Oil Absorption: 10~25 g/100g

residue on 30µm sieve : 0.007% max

Colorimetric measure L* Approx.99

PH Value: 6.5~9.0

Iron (Fe): 0.001% max