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Lithopone (B301/302/311)

Appearance: white powder                                            

Standard: GB1707-95

Specification:


Packing: polypropylene sack with plastic liner; 25kg or 50kg/bag.

Product name

Characteristics

Range of application

Voluntary standards

Packing

B301
lithopone

White pigment, zinc sulfate content is 28%. Hiding power is stronger than zinc oxide, lower than titanium dioxide, good heat endurance.

Coating, paint producing, printing ink, plastic, rubber, paper making, enamel etc..

GB/T1707-1995

Plastic weaving bag with polyethylene liner or paper bag,50kg or 25kg per bag.

B302
lithopone

White pigment, zinc sulfate content is 28%. Dispersancy is better than B301 after surface preparation.

Coating, paint producing, printing ink, plastic, rubber, paper making etc..

GB/T1707-1995

Plastic weaving bag with polyethylene liner or paper bag,50kg or 25kg per bag.

B311
lithopone

White pigment, zinc sulfate content is 30%. Stronger hiding power and reducing power than B301. Better dispersancy.

Coating, paint producing, printing ink, plastic,rubber, paper making, enamel etc..

GB/T1707-1995

Plastic weaving bag with polyethylene liner or paper bag,50kg or 25kg per bag.

 

 

Specification:

Item

index

First Grade

Total zinc and barium sulfate (zinc sulfide) % not less than

99

Total zinc (zinc sulfide) % not less than

28

Zinc oxide % not more than

0.6

105 volatile matter % not more than

0.3

Water solubility % not more than

0.4

Residue (63m) % not more than

0.1

Color

White

Alkalinity of aqueous extract %

neutral

Oil absorption g/100g pigment not more than

14

Achromatic power (compared with sample) % not less than %

100

Covering ability ( balance rate)

Not less than 5% of sample

 

 
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