Technical performance of 800 Mesh Barium Sulate

800 Mesh barium sulate own the properties of nature super-fineness, white constant whit has the good chemical insert, excellent acid and ethanol persistence . medium degree of stiffness, high gravity and whiteness, can abort the negative ray , the producing formulation is stick to the strict specifications. 800 Mesh barium sulate is white powder without any taste.Its specific gravity is 4.20.It is chemically inert and insoluble in water,alcohol,or many other solvents,except hot concentrated sulfuric acid

Chemical name: Heavy barium sulfate

Technical performance of 800 mesh Barium Sulate:

Test item Unit Inspecting index

BaSO4 % ≥98

Water soluble salt % ≤0.15

Moisture % ≤0.3

Calorescense weightlessness % ≤0.5

Whiteness % ≥95

PH value Degree 7

Oil absorption G/100 10

Specific gravity G/cm³ 4.3

325 Visual residue rate % Tr

D50 um 4.8

D97 um 15

SiO2 % 0.1

Al2O3 % 0.01

MgO % 0.18

Fe2O3 % 0.04

CaO % 0.3

Pb 2ppm

As 5ppm

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