ITEM

STANDARD

(QB/T1768-2003)

RESULTS

Appearance

White Flowing Micro Fine Powder

Passed

Loss on ignition(800℃/1h)，%

                   ≤ 22

20.9

Ca Exchange Capacity，                        MgCaCO₃/g           

≥295

318

PH Value(1% Solution,25℃ )

≤11

10.95

Whiteness grade (W=Y),%

≥95

96.90

Granularity

           ≥10UM，1% Max.

≤ 4UM，90% Min.

            0.1%

            92.1%

45um Of Scrap Wet Sieve residue,%

≤ 1 

0.1 

Bulk Density, mg/ml

≤ 500

420