200 Mesh Silicon Metal Powder For Refractories

200 Mesh Silicon Metal Powder for Refractories boasts a silicon content of ≥98%, with impurity levels (iron, aluminum, and calcium) strictly controlled. When added to a refractory matrix, it preferentially reacts with oxygen to form new mineral phases; this process effectively seals pores and enhances the density of the refractory material, thereby preventing the infiltration of slag and molten metal. Consequently, it significantly improves the product's resistance to high temperatures, abrasion, and oxidation, ultimately extending the service life of the refractory products.

Refractories for Steelmaking Furnaces/Kilns: Used in the production of refractory castables and bricks for high-temperature furnaces-such as steelmaking furnaces, glass kilns, and cement kilns. Its addition significantly boosts the high-temperature strength and erosion resistance of the refractory materials, extending kiln service life and reducing maintenance costs. It is ideally suited to meet the high-temperature production demands of the metallurgy and building materials industries.
Refractory Kiln Furniture/Molds: Used in the fabrication of refractory kiln furniture and high-temperature molds. It improves material density and abrasion resistance, preventing deformation and cracking under high-temperature conditions. This makes it suitable for kiln furniture production in industries such as ceramics and metallurgical casting, increasing the number of reuse cycles for kiln furniture and lowering production costs.
Specialty Refractory Products: Used in the production of specialty refractory items-such as high-temperature ceramics, refractory coatings, and refractory fibers. It enhances the oxidation resistance and thermal stability of these products, catering to the specialized refractory requirements of high-end sectors like aerospace and chemical engineering, thereby facilitating product performance upgrades.
Other Fields: It also serves as an additive for non-ferrous alloys and as a silicon-steel alloying agent in metallurgical casting applications, improving the hardenability of steel. Additionally, it can be utilized in the chemical industry for the production of silicon-based compounds, demonstrating its versatility and expanding its range of application scenarios.

Q1: Compared to silicon powders of other mesh sizes, why is 200 Mesh Silicon Metal Powder more suitable for use in refractory materials?
A1: 200 Mesh silicon powder features an optimal particle size; it possesses a relatively large specific surface area, allowing it to react thoroughly with the refractory matrix to enhance both the material's density and its high-temperature performance. Furthermore, its particle size is not excessively fine-thereby avoiding issues such as poor flowability or a tendency to agglomerate-which facilitates ease of production and processing. It represents the optimal mesh size selection for the manufacture of refractory materials, effectively balancing product performance with production efficiency.
Q2: Is it possible to customize 200-mesh metallic silicon powder with varying silicon content and particle sizes?
A2: Yes. We support customized production; the silicon content can be adjusted within the range of 98% to 99.5%, and the particle size can be tailored to fall between 100 and 400 mesh. Additionally, we can control impurity levels according to client specifications to meet the diverse production requirements of various refractory products. Our customization lead times are short and do not impact the timely delivery of orders.
Q3: Does the product comply with international standards? Can you provide inspection reports?
A3: Our 200-mesh metallic silicon powder strictly adheres to international standards such as ASTM E11 and ISO 3310-1. Our production facility is ISO 9001 certified, and we provide a detailed quality inspection report for every product batch. Furthermore, upon client request, we can furnish third-party inspection reports from agencies such as SGS or BV.

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