Industrial Active Magnesium Oxide
(According to Industry Standard HG/T3928—2007 enact by Ministry of Chemical)

Item

Indicator (Mass Fraction)

activity-150

activity -120

activity -80

Used for decoloration

Used for rubber

first-rate product

qualified product

first-rate product

qualified product

MgO % ≥

88

88

88

88

92

90

CaO % ≤

0.8

0.5

1

1

1

1

HCl insoluble % ≤

0.2

0.1

0.1

0.1

0.1

0.1

Screenin(75µm testing sieve)% ≤

0.05

0.1

0.1

0.1

0.1

0.1

Fe % ≤

0.02

0.05

0.05

0.05

0.05

0.05

Mn % ≤

0.003

0.003

0.003

0.003

0.003

0.003

Chloride(according to  chloride ion)% ≤

0.05

0.2

0.15

0.2

0.2

0.1

Loss on drying%              ≤

10

10

10

10

6

8

Bulk density / (g/ml) ≤             

0.2

0.2

0.2

0.2

0.2

0.2

inhale iodine value / (mg/g)

150.1~180.0

120.1~150.0

80.1~120.0