Lockhart Chemical Co.,Ltd.
Tel : (852) 2802-8342 Email
: lockhart@netvigator.com
Fax : (852) 2802-9129 Website : www.lockhart.com.hk
Purity (BaSO4) 98% Min.
pH Value 6.5-8.0
Water Soluble Matter 0.20% Max.
Acid Soluble Matter 0.60% Max.
Iron (Fe) 0.004% Max.
Sulfur (S) 0.003% Max.
Moisture 0.20% Max.
Residue (43μm) 0.10% Max.
Sizing < 10μm 80% Min.
< 5μm 60% Min.
< 2μm 25% Min.
Oil Absorption 15-25%
Whiteness same as standard sample