ITEM

SPECIAL

FIRST

Whiteness ≥

95.0

90.0

L.O.I. (600-700℃) % ≤

1.50

2.00

Acid solvable material % ≤

1.50

2.00

solvable MATTER IN Water % ≤

0.10

0.20

Acid-alkali

Litmus paper appears neutral reaction

Molysite

To show blue late

Moisture % ≤

0.2

0.5

Arsenic (As) % ≤

0.0003

Lead % ≤

0.001

Pb % ≤

0.004

Bacteria each/g

100 pathogenic bacteria CAN’t be inspected out.

Passing through % ≥

38µm: 98.0

45µm: 98.0