Molecular formula: BaSO4
Application:
It is used as a superior paint , ink and plastic. It is often extracted in a blast furnace, as it can cope with
high temperature.
1. Used in coating, paint - it can be as instead of materilas higer price paint,such as lithopone, titanium
pigment etc,. It is suitable to control of paint, make products better stability, flittering luster.
2. Used in plastics industry - It can be used for plastic as stuffing. In order to make products lucidus,
while it can improve the strenght, stiffness and hard wearing of product.
3. Used in rubber industry, the product of lower 500 mesh can be used in rubber products as stuffing to
save the costs, imporve the hardness, water resistance and corrosion resistance of products,also has
a good supplement effect for the natural rubber and synthetic rubber .
Specification:
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Test Items
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Quality
|
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Type 1 Superfine
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Type 2 Precipitated
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Type 3 Storage battery
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|
Appearance
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White powder
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White powder
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White powder
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|
Content
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98% min.
|
98% min.
|
98% min.
|
|
pH
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7.0-9.0
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6.5-9.0
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7.0-9.0
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Whiteness
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95% min.
|
94% min..
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95% min.
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|
Oil absorbtion
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15-25%
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15-30%
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15-25%
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Moisture
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0.15% max.
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0.30% max.
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0.15% max.
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Water soluble
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---
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0.30% max.
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---
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Fe
|
---
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0.004% max.
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---
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Dispersivity(um)
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10 max.
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---
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15 max.
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Residue on sieve
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(30um) 0.02%max.
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(45um) 0.05% max.
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(30um) 0.05%max.
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|
Average particle size
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---
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---
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0.10-0.50um
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