Off-Grade Silicon 97

Off-grade silicon 97 also known as external silicon or industrial silicon, is mainly used as an additive for non-ferrous alloys.

Off-grade silicon 97 also known as external silicon or industrial silicon.

The content of the main component silicon is about 97%

The contents of iron, aluminum, and calcium are 1.5% , 0.9% , and 0.3% .

Off-grade silicon 97 particle size is 10-50mm , 10-80mm , 10-100mm or other sizes as customer’s request.

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Product Category

Silicon metal

Silicon Carbide

High Carbon Silicon

Ferrosilicon

Electrolytic Manganese

Manganese Metal Lumps

Recarburizer

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Product Description

Off-grade silicon 97 is a product smelted from silica and blue carbon in an electric heating furnace.
Off-grade silicon 97 is mainly used as an additive for non-ferrous alloys.

Specification:

Specifications
Grade	Chemical Composition（％）
	Si	Fe	Al	Ca
	>=	<=	<=	<=
3303	99.5	0.3	0.3	0. 03
311	99.5	0.3	0.1	0. 1
441	99	0.4	0.4	0.1
551	99	0.5	0.5	0.1
553	98.5	0.5	0.5	0.3
851	98	0.8	0.5	0.1
Off-grade silicon	97	1.5	0.5	0.3
For reference only, please contact us if you have special needs.

Application:

Off Grade 97% Silicon Metal uses:
1.It is widely used in smelting alloy elements, as a reducing agent in many kinds of metal smelting.
2.Silicon metal Widely applied to refractory material and power metallurgy industry to improve heat resistance, wear resistance, and oxidation resistance.
3. Silicon powder is regarded as an alloy additive, improve steel hardenability in the metallurgy and foundry industry.
4.It is mainly used in the production of alloys, polycrystalline silicon, organic silicon materials, and high-grade refractory.
5.Production of silicone rubber, silicone resin, silicone oil, etc.
6.Manufacturing high-purity semiconductors and optical fibers
7.Production of aerospace vehicles and auto parts
8.Making refractory materials
9.Maing fine ceramics