What is insulating castable?

Insulating castable refers to a specific family of refractory castable (refractory concrete). Insulating castable is designed to display low density and low thermal conductivity to keep heat energy and to reduce fossil energy consumption.

What is castable material?

Castable refractory products are non-metallic materials that have chemical and physical properties used for creating heat-resistant structures that retain and insulate. Due to their high resistance to heat and thermal shock, you can use castable refractory cements and other products to build kilns and furnaces.

What are the advantages of castable refractories?

More heat-resistant than metals, they are used to line the hot surfaces found inside many industrial processes. In addition to being resistant to thermal stress and other physical phenomena induced by heat, refractories can withstand physical wear and corrosion caused by chemical agents.

What is conventional castable?

Conventional castable, coming under the dense castable category, contains a high amount of refractory high alumina cement. The choice of aggregate is alumina based (Tabular alumina, fused alumina, calcined bauxite etc.) or alumino-silicate based (calcined clay, mullite etc.).

Why is alumina used in refractories?

Refractories. Alumina is also widely used in refractory products, due to its high melting point. It is especially suited to demanding applications where the strength of the refractory must be retained at high temperatures.

What temperature can vermiculite withstand?

In certain mixes for insulation purposes, vermiculite and perlite can withstand temperatures of up to 2,000°F and 2,100°F (1,093°C and 1,149°C) respectively before excessive shrinkage occurs.

Which material is mostly prefer for casting?

Aluminum. Aluminum alloy, a popular choice in die casting, is a very castable alloy. Other great qualities of aluminum are its high level of machinability, which can reduce costs, and its high level of corrosion resistance, which allows aluminum to have a wide range of applications.

What is refractory mortar?

What is refractory mortar? Hydraulic refractory mortar is a specially-engineered blend of specific cements and aggregates that gives the mortar unique heat-resistance and thermal characteristics for use in high-temperature applications such as chimneys, fire pits, barbeques, and pizza ovens.

Which material is best for cold gunning in the ladle?

Ladle gunning mix choose high grade magnesia sand, bauxite and spinel stone as raw materials, adding the unique binder and additive, mixed by scientific rate.

Which refractory have high insulation properties?

Chromite refractories are composed of sintered magnesia and chromia. They have constant volume at high temperatures, high refractoriness, and high resistance to slags.

Which type of refractory alumina is?

Alumina (Al2O3) refractories are the part of alumina- silica (SiO2) group of refractories and belongs to the SiO2 -Al2O3 phase equilibrium system as shown in diagram at Fig 1. They differs from fire clay refractories in term of Al2O3 content and normally have Al2O3 content of more than 45 %.