重晶石粉 沉淀硫酸钡 超微细硫酸钡 超白硫酸钡

指标项

CD325

CD600

CD800

CD1250

CD3000

硫酸钡含量%

BaSO₄content %

≥98.0

≥98.0

≥98.0

≥98.0

≥98.0

45μm孔筛余物%

Mesh residue(45μm) %

≤0.50

≤0.20

≤0.08

≤0.06

≤0.05

铁含量%

Fe content %

≤0.004

≤0.004

≤0.004

≤0.004

≤0.004

白度

Whiteness %

≥92.0

≥94.0

≥95.0

≥95.0

≥96.0

水溶物%

Water soluble %

≤0.30

≤0.30

≤0.30

≤0.30

≤0.30

105℃挥发份g/100g

Volatile at 105℃%

≤0.30

≤0.30

≤0.30

≤0.30

≤0.30

水悬浮液PH值

PH value of aqueous suspension

6.0-9.0

6.0-9.0

6.0-9.0

6.0-9.0

6.0-9.0

吸油量g/100g

Oil absorption g/100g

10~25

10~25

10~25

10~25

10~25

烧失量%

Loss on ignition %

≤2.5

≤2.5

≤2.5

≤2.5

≤2.5