Lithopone (77115)

Molecular formula: ZnSBaSO4        Specification: B301; B311

Appearance: White powder

Lithopone is a white powder, a mixture of barium sulfate and zinc sulfide and it was non-toxic, tasteless, odorless, and insoluble in water. It is used as one of the important inorganic Chemicals Pigment for its good colouring and hiding power and good weather resistance. In addition, it has a good heat resistance which can improve the weather resistance and anti-algae, and excellent cover on the white power. And it can also decrease the costs.

lithopone	B301	B311
ZnS	28% MIN	30% MIN
ZnO	0.6%MIN	0.3%MAX
VOLATILE MATTE	0.3%MAX	0.3%MAX
MATTER SOLUBLE IN WATERE	0.4%MAX	0.3%MAX
RESIDUE ON SIEVE 63 UM	0.1%MAX	0.1%MAX
OIL ABSORPATION VALUE	14	10

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