Refractory Grade Kyanite Concentrate

• Refractory Grade Kyanite Concentrate is a kyanite concentrate product purified and processed specially for the refractory materials industry. It is a high-grade refractory raw material obtained after multi-stage beneficiation of aluminosilicate minerals associated with zircon sand beneficiation. Our 24 years of mineral separation experience has given us mature kyanite enrichment and purification technology. Refractory Grade Kyanite Concentrate has stable Al₂O₃ content and high refractoriness. It can undergo mullite transformation and produce volume expansion at high temperature. It is a core modified raw material for unshaped refractory materials, refractory bricks and kiln furniture materials. It can significantly improve the high-temperature strength, thermal shock resistance and volume stability of refractory materials, and widely serves refractory material enterprises in industries such as steel, building materials and non-ferrous metals.

• The core value of Refractory Grade Kyanite Concentrate lies in its unique high-temperature mullitization effect. In a high-temperature environment above 1300℃, kyanite will gradually decompose and transform into mullite and silica, accompanied by a volume expansion of 15%-18%, which can effectively compensate for the shrinkage of refractory materials during high-temperature firing and use, and improve the compactness and high-temperature strength of products. Our Refractory Grade Kyanite Concentrate undergoes strict beneficiation and purification, with low impurity content, stable mullite transformation temperature and controllable expansion rate. When used in unshaped refractory castables, it can significantly improve the thermal shock resistance and service life of the materials. When used in refractory bricks, it can reduce firing temperature, reduce firing shrinkage and improve product qualification rate. Relying on stable associated ore sources and large-scale beneficiation production capacity, we can long-term and stably supply refractory-grade kyanite concentrate, with regular stock for conventional specifications, and customized grades can be quickly scheduled for production, fully meeting the production needs of refractory material enterprises.

In response to the strict requirements of the refractory materials industry for raw material composition stability and high-temperature performance, we have established an exclusive quality control system for Refractory Grade Kyanite Concentrate. At the raw material end, pre-testing is carried out before separation to ensure that the kyanite crystal form and grade of the raw ore meet the standards. Three purification processes are set during the beneficiation process. Al₂O₃ content and impurity content are tested after each process, and process parameters are adjusted in real time to ensure stable concentrate grade. In the finished product stage, in addition to conventional chemical composition, particle size and moisture testing, a special test of linear change rate after high-temperature firing is added to simulate high-temperature working conditions to verify the expansion performance and mullitization effect of the product. Our laboratory is equipped with high-temperature furnaces and chemical composition testing equipment, which can complete all performance tests of refractory raw materials. Each batch of products is accompanied by a detailed test report, with all data traceable. 100% full inspection is qualified before finished products leave the factory, and we also support customers to entrust third-party authoritative institutions for special testing of high-temperature performance, fulfilling our quality commitment with data.

We provide professional technical after-sales service for refractory material customers who purchase Refractory Grade Kyanite Concentrate. In the pre-sales stage, the technical team will deeply understand the customer's refractory material formula, service temperature and working condition requirements, recommend the most suitable particle size and grade model, and also provide preliminary addition amount and formula adjustment suggestions. In the sales stage, the order production progress is synchronized in real time, and the test report of the corresponding batch and high-temperature performance data are attached with the goods. Export orders handle loading, customs declaration, logistics tracking and other procedures throughout the process. In the after-sales stage, the exclusive technical contact person continues to follow up the product use. If customers encounter problems such as abnormal shrinkage after firing and substandard strength during production, they will respond and communicate within 24 hours to assist in troubleshooting the causes of formula, firing process and other aspects, and provide optimization and adjustment solutions. We not only provide products, but also provide long-term application technical support to help customers improve the comprehensive performance of refractory materials.

Our production operation and product quality are endorsed by authoritative system certifications. The factory fully implements ISO9001 Quality Management System and ISO14001 Environmental Management System standards. The entire production process of Refractory Grade Kyanite Concentrate is completed under system control, with full guarantee of compliance and stability. The product meets domestic refractory raw material industry standards, with low harmful impurity content, and can be matched with the production needs of various high-end refractory materials. We can provide chemical composition and high-temperature performance test reports from third-party authoritative institutions such as SGS and BV according to customer needs, providing support for customers' product export and quality control. We strictly abide by national environmental protection regulations, and the production process realizes comprehensive resource utilization, low energy consumption and low emission. We are a green and compliant mineral deep processing enterprise. Choosing our products means no need to worry about supply chain compliance risks.

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