Precipitated barium sulfate（BaSO4)

Molecular formula： BaSO4
Molecular weight： 233.40

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The appearance of precipitated barium sulfate is white amorphous powder. The relative density is 4.50 (15 ℃) and the melting point is 1 580 ℃ Because of its high refractive index (1.63 ~ 1.65), it shows white color and certain hiding power It is almost insoluble in water, ethanol and acid. It is soluble in hot sulfuric acid It can be reduced with carbon to barium sulfide at high temperature It is an important basic chemical raw materials main uses: used as paint, paint, ink, plastic, rubber and storage battery raw materials or fillers; & nbsp; Surface coating agents for printing paper and copper paperboard; Sizing agent for textile industry; As a clarifying agent in glass products, it can play the role of defoaming and luster It can also be used as a protective wall material against radiation. It is also used in porcelain, enamel, dye and other industries. It is also a raw material for manufacturing other barium salts.

Indicator name		Category I
		Superior product
BaSO4 content of barium sulfate (dry basis)	%≥	98.5
105 ℃ volatiles	%≤	0.1
Water soluble matter content	%≤	0.3
Iron (Fe) content	%≤	0.003
Whiteness	%≥	97
Oil absorption	g/100g	15-20
PH value	6—8.5	6.5—7.5
Fineness (45 μ m experimental sieve residue)	%≤	0.01
Median particle size (D50)/micron		1
Electrical conductivity (us/cm)	%≤	120

Packaging and transportation:

Packaging: Double-layer packaging, polyethylene plastic film bags for inner packaging, plastic textile bags for outer packaging or composite packaging

The weight of plastic textile bags is 25 kg per bag to avoid rain during transportation and

Precautions: Store in a ventilated and dry warehouse with a buffer layer to prevent damp and avoid storage with colored materials

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Precipitated barium sulfate（BaSO4)

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