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What is a common refractory material?
A common refractory material is alumina, which is an oxide of aluminum. Alumina has high temperature resistance and is commonly used in industrial furnaces and kilns due to its ability to withstand extreme heat.
What is refractory scrap?
Refractory scrap refers to discarded or waste materials that have been used in high-temperature applications, such as furnaces, kilns, or reactors. These materials often consist of refractory bricks, castables, or coatings that have become worn out or damaged during their service life. Refractory scrap can be recycled or repurposed for use in the production of new refractory products.
How moisture content in refractory affect performance of refractory?
Moisture content in refractory materials can lead to thermal spalling and cracking when exposed to high temperatures. It can reduce the strength and lifespan of the refractory material by promoting thermal shock and weakening its structure. Additionally, moisture can chemically react with certain refractory materials, causing them to lose their properties and effectiveness in high-temperature applications.
What are oxides write the names of its four kinds?
Oxides are chemical compounds made up of oxygen and another element. The four main types of oxides are acidic oxides, basic oxides, amphoteric oxides, and neutral oxides. Acidic oxides react with water to form acids, basic oxides react with water to form bases, amphoteric oxides can act as either acid or base, and neutral oxides do not react with water to form either acids or bases.
Does all oxides dissolve in water?
Not all oxides dissolve in water. Some oxides, such as alkali metal oxides and alkaline earth metal oxides, are soluble in water and form basic solutions. However, other oxides, like non-metal oxides, are typically insoluble or react with water to form acidic solutions.
What are refractory oxides?
they are oxides that retains their physical strength at very high temperatures. this makes them suitable to be used as materials for things like crucibles and furnace linings. They can be subdivided into acidic, alkaline or neutral refractory oxides. an example is SiO2.
What is a common refractory material?
A common refractory material is alumina, which is an oxide of aluminum. Alumina has high temperature resistance and is commonly used in industrial furnaces and kilns due to its ability to withstand extreme heat.
What are the characteristics of oxide?
They are usually dull and brittle, form crystals and are insoluble (apart from potassium, sodium, lithium and ammonium oxides). Metal oxides are largely basic. Non-metal oxides are acidic. Aluminium and Zinc oxides are amphoteric (can act as a base or and acid by being able to both donate and accept protons.)
What do you mean by refractory concrete?
refractory Concrete means refractory castable == ==
What is refractory consumption per ton in induction furnace?
Refractory consumption per ton in an induction furnace refers to the amount of refractory material used during the melting process, typically measured in kilograms per ton of metal produced. This consumption can vary based on factors such as the type of refractory used, the operational practices, and the specific characteristics of the charge materials. Generally, the refractory consumption ranges from 5 to 20 kg per ton of metal, depending on the furnace design and operational conditions. Minimizing refractory consumption is essential for cost efficiency and operational effectiveness.
Why did Yilong Refractory change their name into Changxing Refractory?
Because of Changxing Refractory's largest investment, Yilong Refractory was renamed as Changxing Refractrory.
Which of the following characteristics determines when the refractory period ends?
"how long it takes for the voltage-gated Na+ channels to reactivate at the end of an action potential"
How do you use refractory in a sentence?
1) The virus was refractory to the medication. 2) The refractory class was unable to get anything done.
Where you can get refractory concrete?
Refractory Engineers Indianapolis Indiana 3172732000
What is mag-dolo refractory?
magnesium-dolomite based refractory
Will the refractory product quality and services also change as the name of Yilong Refractory changed into Changxing Refractory?
The only change of Yilong Refractory is its name which has changed into Changxing Refractory. Its product quality, pre-sale and after-sale services remain unchanged.
What is the relationship between the relative refractory period and the absolute refractory period in terms of neuronal excitability?
The relative refractory period is the time when a neuron can respond to a stronger stimulus, while the absolute refractory period is when a neuron cannot respond at all. The relative refractory period follows the absolute refractory period and allows for increased neuronal excitability.
