Typical Properties of Physical and Chemical
Specific Gravity	4.30~4.40	Ba(Sr)SO4	97.5% min
Size	0-200mm	SiO2	0.5% max
Oil Absorption	7~10	Fe2O3	0.01% max
Brightness (Hunter L)	94	Al2O3	0.01% max
Ph Value	6~9	CaO	0.30% max
Moisture	1% max	Hg	/
Loss on Ignition	1% max	Cd	/