The recent mining license revocations in Guinea have become a key factor influencing market trends.

Na₂O, as a major impurity in WFA, has a significant impact on its properties. Na₂O mainly forms β-Al₂O₃ with Al₂O₃, reducing the hardness, density, strength, and thermal stability of WFA.

These aggregates essentially possess the three fundamental elements: abrasive grains, binder, and micro-pores, making them functionally equivalent to miniature grinding tools.

VA has a violet color appearance and great hardness and toughness similar to single crystal fused alumina.

Although the market price of raw material alumina has increased by 100 RMB/ton in the past two weeks, the price of WFA remained stable.

In November 2018, the operating rate and output of domestic white corundum production enterprises continued to decline. At present, the...