Product Description

Lithopone grades include: B**1, B**2, ***** Specification: Index Name B**1 B**2 B**1 Sum of totlal zinc (calculated as zinc sulfide) and banium sulfate % min *9 *9 *9 Total zinc(calculated as zinc sulfide) % min *8 *8 *0 Zinc oxide % max 0.6 0.3 0.3 Matter volatile at **5 % max 0.3 0.3 0.3 Matter soluble in water % max 0.4 0.4 0.3 Residue on sieve(*3μm)% max 0.1 0.1 0.1 Color(to the standard sample) Similar Similar Similar Alkalinityof the agueous extract Neutral Neutral Neutral Oil absorption walue g/**0g max *4 *1 *0 Lightening power Not lower than standard sample