Question 1

What's the MOQ of Fused Alumina?

Accepted Answer

Question 2

How does Black Fused Alumina differ from White Fused Alumina?

Accepted Answer

While both are alumina-based abrasives, Black Fused Alumina is tougher, less friable, and more heat resistant than White Fused Alumina. White Fused Alumina, on the other hand, is purer and has a higher hardness, making it better suited for precision applications and high-quality surface finishes.

Question 3

What is the difference between white fused alumina, brown fused alumina and black fused alumina?

Accepted Answer

White fused alumina (WFA), brown fused alumina (BFA), and black fused alumina (BLFA) are all types of fused alumina, which is a type of abrasive material made by melting alumina (Al2O3) and then solidifying it into blocks or grains.

The main difference between these three types of fused alumina is their color, which is a result of differences in the manufacturing process and the impurities present in the raw materials used.

White fused alumina is made from high-quality alumina powder and is the purest form of fused alumina, with a white color and high hardness. It is commonly used in applications where a high level of purity is required, such as in the production of semiconductor wafers, precision casting, and high-end abrasives.

Brown fused alumina is made from bauxite, iron filings, and anthracite coal, and has a brown color. It has a lower purity than white fused alumina but is tougher and more durable, making it suitable for applications such as grinding and cutting.

Black fused alumina is made from bauxite and iron filings and has a black color. It is less pure than both white and brown fused alumina and is typically used in applications such as sandblasting, polishing, and surface preparation.

Question 4

How do I choose the right silicon carbide abrasive for my application?

Accepted Answer

To choose the right silicon carbide abrasive, consider factors like the material being worked on, the desired finish, the abrasive life, and the equipment being used. Generally, harder materials require finer grits, while softer materials can be worked with coarser grits.

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