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2020-11

Henan Refractory Association announces the first batch of 57 outstanding refractory material enterprises in Henan Province.

According to the Henan Province Refractory Materials Industry Association, in order to help relevant departments gain a deeper understanding of outstanding refractory material enterprises in Henan Province and subsequently provide support for their growth, the association has compiled a comprehensive list of companies that have previously earned accolades such as "Provincial Double-Hundred Enterprises," "Provincial High-Growth Enterprises," "Provincial High-Tech Enterprises," "Provincial Technological Innovation Enterprises," "Provincial Famous Brands," and those participating in the Provincial Technological Innovation Alliance. Additionally, the list highlights enterprises that stand out for their large scale, strong R&D capabilities, advanced equipment levels, well-balanced product portfolios, high brand recognition, distinctive product offerings, deep processing of raw materials, and excellent economic performance.

2020-11-12

Henan Refractory Association announces the first batch of 57 outstanding refractory material enterprises in Henan Province.

12

2020-11

Sharing the construction methods for castables and common types of admixtures

There are numerous factors influencing the use of castables, ranging from material selection and construction techniques to curing processes. Additionally, various admixtures are often added during the application of castables to modify their structure and enhance their performance. With many types of admixtures commonly used, today we’ll provide a detailed introduction to the castable construction methods as well as an overview of the functions and applications of these admixtures. 1. Pouring Construction Method (1) Inspection: First, ensure that the formwork is properly set up without any gaps or misalignments. Clean out all debris inside the mold thoroughly. Verify that anchor bolts are securely welded in place, and apply a coat of paint or wrap them with plastic bags to cushion against expansion forces caused by heat. (2) Pouring: Carefully pour the mixed castable material into the mold, then proceed with the next step—vibration or compaction.

2020-11-12

Sharing the construction methods for castables and common types of admixtures

12

2020-11

National Quality Inspection Center for Deep-Processing Non-Metallic Mineral Products Conducts Spot Check on Magnesia-Carbon Bricks

Recently, the National Quality Supervision and Inspection Center for Deep-Processing Non-Metallic Mineral Products welcomed its first-ever national supervision and sampling inspection task since its establishment—focused primarily on magnesia-carbon bricks. It is reported that this inaugural sampling inspection mission was jointly undertaken by the National Quality Supervision and Inspection Center for Refractory Materials and the National Quality Supervision and Inspection Center for Industrial Building Structures, covering a total of 60 batches of magnesia-carbon bricks. The National Quality Supervision and Inspection Center for Deep-Processing Non-Metallic Mineral Products was responsible for inspecting 20 of these batches.

2020-11-12

National Quality Inspection Center for Deep-Processing Non-Metallic Mineral Products Conducts Spot Check on Magnesia-Carbon Bricks

12

2020-11

A Brief Analysis of the Current Status and Technological Advancements in Refractory Materials

Over the past three decades of reform and opening up, China's refractory materials industry has made significant strides. Today, China ranks among the world’s top producers of refractories, while both the quality and variety of these materials have seen remarkable improvements—and the industry’s technological capabilities are rapidly closing in on international advanced standards. However, despite these achievements, China’s refractory sector still faces several pressing challenges: - Refractory consumption levels remain high. - The industry is characterized by a large number of production facilities with low market concentration. - Product quality and consistency across manufacturers tend to be inconsistent. - Innovation remains insufficient, with most R&D efforts focused primarily on optimizing material formulations, compositions, microstructures, and performance—while paying far less attention to critical aspects like production process control and the practical application of refractories. Currently, China’s economy is undergoing a transformative phase. Many refractory users now face severe overcapacity, leading to declining profitability, while environmental regulations are becoming increasingly stringent. These factors are placing substantial pressure on refractory companies. The root causes of these issues are multifaceted, tied not only to broader shifts in China’s economic development model but also deeply connected to inherent weaknesses within the refractory industry itself. For instance, the prevalence of numerous medium- and small-sized enterprises suggests that the advantages of technological innovation and economies of scale have yet to be fully realized, inadvertently creating opportunities for lower-quality, smaller players to survive. Moreover, these challenges are intertwined with factors such as production management practices, the pace of scientific and technological advancement, and even the mindset of professionals working in the refractory field—none of which can be resolved overnight. This article focuses specifically on addressing the science-and-technology-related challenges, offering insights and recommendations aimed at fostering greater progress in this vital yet often overlooked area. In the realm of materials science, refractories represent a relatively niche and traditionally understudied discipline. Despite their indispensable role as foundational materials underpinning the national economy, they are also among the most structurally complex materials known. Characterized by multi-component compositions, varying particle sizes, and non-homogeneous composite structures, refractories present unique and far more intricate research and control challenges compared to other materials. As a result, both the depth and volume of scientific inquiry into refractories lag significantly behind those of other fields, slowing down the pace of technological advancement in this area. Looking back over the past half-century, only two groundbreaking technologies have fundamentally shaped the evolution of refractory materials.

2020-11-12

A Brief Analysis of the Current Status and Technological Advancements in Refractory Materials
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