Hengjia low-sodium plate corundum, Na,O content is less than 0.1%, suitable for high-temperature materials, high-grade refractory materials, ultra-pure metal smelting furnace refractory products, ultra-pure casting sand, inert filler balls for pharmaceutical and chemical industries, etc.

<p>Features</p>
恒嘉板状刚玉具有以下特点: Hengjia板状刚玉 has the following characteristics:
Impurity content is low, refractoriness is high;
体积密度高，高温烧后的体积稳定性好:
显气孔率低，吸水率低，可提高各种气氛下耐火材料的抗侵蚀性能;
Ciepłotolerancja jest dobra, co może zmniejszyć uszkodzenia materiałów ogniotrwałych spowodowane zmianami temperatury roboczej.