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By observing the color of<a href="https://www.xinliabrasive.com/White-Fused-Alumina.html"> white fused alumina sand</a>, you can know whether the quality of white fused alumina abrasive is good. However, many customers will find that sometimes there are black or cyan particles in white fused alumina.

So what are the reasons for these?

1.Black impurities, such as impurities carried by themselves, have not been removed to clean or deliberately mixed impurities.

2.Rust, <a href="https://www.xinliabrasive.com/White-Fused-Alumina.html">white fused alumina </a>material itself has iron oxide, and in the process of production due to mechanical rust accidentally mixed with iron rust will also cause the color of white fused alumina to be impure.

The purity or purity of white fused alumina color is one of the inspection specifications for the quality of white fused alumina. However, if the quality of white fused alumina is not up to standard, it also has a great impact on the function of <a href="https://www.xinliabrasive.com/White-Fused-Alumina.html">white fused alumina</a>, such as hardness and grinding force. Manufacturers are required to have strict requirements on themselves