Hvordan man bedømmer kvaliteten af høje aluminiumoxidsten from the appearance?

Do you often have a headache? When purchasing, you can’t distinguish the quality and grade of høje aluminiumoxidsten correctly. If you buy low-grade products at a high price, the service life of the kiln is reduced. Do you fluctuate when choosing products? There are multiple choices. Dazzled. Today, I will teach you how to judge the quality of høje aluminiumoxidsten from the appearance.

High alumina brick has the characteristics of good application quality, high refractoriness and long service life. It is the first refractory brick product used in industrial kilns. High alumina bricks are generally used in industrial kilns such as steel, steelmaking, hot blast stoves, electric furnace tops, blast furnaces, reverberatory furnaces, rotary kiln linings, etc. in China. The main components are high alumina bauxite; sillimanite group minerals (including blue Spar, red base stone, sillimanite, etc.); artificial composition materials, such as industrial alumina, composition mullite, fused corundum, etc. Now let the editor of high alumina bricks briefly introduce the key points of purchase.

Color: When purchasing high-alumina bricks, the first thing to look at is color. Excellent high-alumina bricks have smooth surface, yellowish white, flat sides, no broken corners, and no cracks.

Weight: Weigh the weight of a single brick. According to the weight specification, the weight of the first-class high alumina brick is 4.5 kg. The weight of the second grade high alumina brick is 4.2 kg, and the weight of the third grade high alumina brick is 3.9 kg. The equal grade and the equal parameter type can be regarded as excellent high alumina bricks. On the contrary, those that do not reach this weight are of good quality. If there are cracks, uneven corners, broken corners, etc., it is a substandard product.

The above is how to judge the quality of high alumina bricks from the appearance, have you learned