Test item

From 325mesh to 800mesh

SN90#

SN92#

Chemical element

Ba(Sr)SO4

96%min

97%min

SiO2

2max

1.5max

Cao+MgO

0.5max

0.5max

Fe2O3

0.2max

0.2max

Al2O3

0.5max

0.5max

Heavy Metal

0.02max

0.02max

Test standard:

API 13K-2011,API 13A-2010,GB/T 2899-2008

Whiteness L Value

94min

96min

S.G.(Specific Gravity)

4.3-4.4g/cm3

4.3-4.5g/cm3

Oill Absorption

10-14g/100g

10-14g/100g

Loss on ignition

0.5%max

0.5%max

Hardness

2.5-4Mohs

2.5-4Mohs

PH value

6-9

6-9

Moisture

0.2%

0.2%

Average particle size,D50   CUSTOMIZATION

7-12  microns

7-12  microns

Reside on 325 mesh

0-0.5%

0-0.5%