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How to choose a suitable castable?

2024-03-05 Unser Blog

How to choose refractory castables under different circumstances? First of all, the selection should consider the kiln environment, use location, use temperature, and corrosion properties.

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$Application of ferrosilicon nitride in the refractory industry$

Application of ferrosilicon nitride in the refractory industry

2024-03-02 Unser Blog

Ferrous silicon nitride (Fe-Si3N4) is a new synthetic raw material that has appeared in recent years. It is prepared from FeSi75 iron alloy using nitriding technology and high-temperature synthesis process.

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$Introduction to refractory spray coating construction methods$

Introduction to refractory spray coating construction methods

2024-02-29 Unser Blog

Gunmetal is the most common repair material. Gunmetal is widely used because it can be constructed at any temperature, including normal and high temperatures, and the operation is also very simple. The construction methods of gunning repair projects can be divided into dry, semi-dry, and wet methods according to the…

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Five Types of Ramming Materials Introduction

2024-02-27 Unser Blog

In industrial production, protecting and maintaining high-temperature thermal equipment is crucial. Various refractory materials, especially ramming materials, play a key role. Ramming materials of different materials have their own unique characteristics and application ranges and can meet the needs of different industrial furnaces. This article will introduce five different materials…

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What are lightweight castables?

2024-02-22 Unser Blog

Lightweight castables are formulated with refractory lightweight aggregates, powders, Bindemittel, und Beimischungen. General regulations: Castables with a bulk density of less than 1800kg/m3, no requirements for refractory resistance, or a total porosity greater than 45%, and a linear shrinkage of less than 1.5% at a specified temperature are called lightweight…

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What are the arc furnace electrodes?

2024-02-21 Unser Blog

Arc furnace electrodes refer to a kind of resistant electrode made of petroleum coke and pitch coke as aggregates and coal pitch as a binder. It is made by calcining raw materials, crushing and grinding, batching, kneading, Gestaltung, roasting, impregnation, graphitization, and mechanical processing. High-temperature graphite conductive material.

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