1.Used as a fire retardant in the membranes of plastic industry, the enclosures of electric devices and household electric appliances, such as PVC,PP ,PE ,PS ,ABS,PU ,etc..2. Used as filling, covering agents and retardants for rubber, ceramics, enamels, fabrics, and fiber products.3. Used as pigments and retardant in oil paint and coating material industry.4. Used as retardants in synthetic resin and papers.5

Sb2O399.80

Sb2O399.50

Sb2O399

Sb2O398

Chemical composition

Sb2O3% (min)

99.80

99.50

99

98

Impurity ≤

As2O3

0.05

0.06

0.08

0.15

PbO

0.08

0.10

0.30

0.35

Fe2O3

0.005

0.006

0.01

0.015

CuO

0.001

0.005

0.008

---

Se

0.002

0.002

0.01

---

Physical property

White degree

97

95

93

92

Average size (µm)

0.3-0.6

0.6-1.1

0.3-1.1

0.3-1.1