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Antimony Trisulfide
Property:
Antimony Trisulfide: It is also called Antimony Sulfide H .S code:2830.9020 Molecular Formula:Sb2S3.Molecular Weight: 339.68. Melting Point: 550 Centigrade. Boiling Point:1080-1090Centigrade.Hardness:HB2-2.5.Density:4.64g/cm3.

Tint: According to its different particle sizes, manufacturing methods and production conditions, the formless antimony trisulfide is provided with different colors, such as gray, black, red, yellow, brown and purple, etc..
Fire Point:Antimony trisulfide is easy to be oxidized. Its fire point - the temperature when it begins self-heat and oxidation in the air depends on its particle size. When the particle size is 0.1mm, the fire point is 290 Centigrade; when the particle size is 0.2mm, the fire point is 340 Centigrade.
Solubility: Insoluble in water but soluble in hydrochloric acid. In addition, it can also dissolve in the hot concentrated sulfuric acid.
Appearance: There should not be any impurity that can be differentiated by eyes.

Enterprise Standard of Antimony Trisulfide:

Industry
Name

Item

Content

Element Controlled %

Moisture

Free Sulphur

Fineness
(mesh)>98%

Sb>

S>

As<

Pb<

Se<

Friction
Materials

Sb2S3-0

95

69

26

0.2

0.2

0.04

1%

0.07%

180(80µm)

Sb2S3-1

90

64

25

0.3

0.2

0.04

1%

0.07%

180(80µm)

Glass and
Rubber

Sb2S3-2

85

61

23

0.3

0.4

0.04

1%

0.08%

180(80µm)

Matches and
Fireworks

Sb2S3-3

70

50

20

0.3

0.4

0.04

1%

0.10%

180(80µm)

Main Application:
Antimony trisulfide is widely used in the war industry including gunpowder, glass and rubber, matches, fireworks and friction materials and so on as the additive or catalyst, anti-blushing agent and heat-stabilizer and also as the flame-retardant synergist replacing antimony oxide.
Antimony Trisulfide H.S code: 2830.90.
Antimony Trisulfide CAS No.: 1345-04-6.
Export Trade Terms: FOB, CFR or CIF.
Minimum Order Quantity: 20.0Mt .
Terms of payment: T/T .
Delivery Time: 15 - 25 days after receipt of advance payment or original L/C.
Packing: 50Kg/Bag, 20Bags/Pallet, or as customer’s requirement.

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