1.Mainly used of relatively high-grade paint, coating 2.Products sold throughout the country, and with the qualification

lithopone 30%,B311
Item	Standard
Total amount of Zn(calculated as ZnS and BaSO4)	99%min
Total amount of Zn(calculated as ZnS)	28-30%min
ZnO	0.60max
Volatiles matter(at 105°C)	0.30%max
Water soluble matter	0.5%max
Residues on 63μm	0.1%max
Color(compared with standard sample)	similar
Alkalinity of the aqueous extract	netural
Oil absorption g/100g	14max
Color killing	100min
Hiding power	not lower than 5%of standard sample

Nature of the products: This product is white  powder, insoluble in water, and does not react

with hydrogen sulfide and the lye .Resulting from decomposition of hydrogen sulfide gas when

they encounter acid solution.

Usage of the products: Prouducts are mainly used in conatings, production of white paint and

modulation of various light-colored paint,is also used in  rubber,pringting ink,varnished

cloth,paper,enamel, tanning ,education and so on. Among them, the lithopone B-301 is belong

to the more high-grade type of lithopone pigment mainly  used for the production of relatively

high-grade paint, coating.

Our corporation is the biggest production of lithopone base in North China, it is the provincial

advanced enterprises. Ministry of Chemical Industry sentinel lithopone manufacturers.

Products sold throughout the country,and with the qualification of autonomous export.