Natural barium sulfate
Natural barium sulfate

Natural barium sulfate

keyword:

Barium Sulfate

BaSO4

Barium Sulphate

Classification：

Barium Sulfate

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Natural barium sulfate

Product information

Molecular Formula: BaSO₄
Molecular Weight: 233.39 
H.S. Code: 2833.27.00
EINECS: 231-784-4
CAS Number: 7727-43-7

 

Applications & Uses:

1.Medical Imaging: Radiopaque agent in X-ray contrast media for gastrointestinal diagnostics.
2.Paints & Coatings: High-density filler for corrosion-resistant primers and marine paints.
3.Plastics & Rubber: Improves stiffness, UV resistance, and acid scavenging.
4.Oil/Gas Drilling: Weighting agent in drilling fluids to control well pressure.
5.Paper Industry: Coating additive for improved brightness and smoothness.

 

Specification

Item

Standard

BaSO4%  ≥

95.0

Specific Gravity(g/cm3)  ≥

4.30

Whiteness R457 %  ≥

75

Moisture %  ≤

0.3

D50(um)

8.0-10.0

D97(um) ≤

32um

Residue on a 45µm %≤

0.20

Oil absorption(g/ 100g)≤

8.0-12.0

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