Hollow kiln plate

Hollow kiln plate

Hollow kiln plates (also referred to as hollow kiln shelves or batts) are ceramic plates designed with honeycomb structure for use in kilns for firing ceramics


Hollow kiln plates (also referred to as hollow kiln shelves or batts) are ceramic plates designed with honeycomb structure for use in kilns for firing ceramics, often featuring hollowed out holes to reduce weight while improving thermal efficiency. Hollow kiln plates are typically constructed out of refractory materials like cordierite, mullite or alum. Their hollow structures allow for improved heat circulation as well as quicker heating and cooling rates in the kiln; furthermore these plates serve to support ceramicware during its firing process. Kiln shelves provide ceramics with a level surface to rest upon while also allowing heat to pass through and evenly disperse throughout the kiln. Their hollow design makes handling and loading them into the kiln easier. Hollow kiln plates also help improve energy efficiency by reducing the mass that needs to be heated. There are various sizes and thicknesses of hollow kiln plates to meet different firing needs and types of ceramicware. Hollow kiln plates are widely utilized in pottery studios, ceramic production facilities, and other settings where ceramics are fired. Hollow kiln plates provide an economical and lightweight means of supporting ceramics during firing processes while maintaining stability while increasing even heat distribution within the kiln.Mullite Pouring Cup

A mullite pouring cup, also known as a mullite sprue cup or mullite pouring basin, is a ceramic component used in the investment casting process. It is made from mullite, a refractory material composed of aluminum silicate (Al6Si2O13). The purpose of a mullite pouring cup is to facilitate the controlled pouring of molten metal into the investment mold during the casting process. It is typically placed at the top of the mold and connected to the gating system. Mullite pouring cups are designed to withstand high temperatures and resist thermal shock. They have good thermal stability and can withstand the heat generated by the molten metal during casting. These cups are often used in industries such as aerospace, automotive, and jewelry manufacturing, where precision casting is required. They help ensure a smooth and controlled flow of molten metal into the mold cavity. Mullite pouring cups are available in various sizes and shapes to accommodate different casting requirements. They are typically designed with features such as sprue extensions or overflow channels to optimize metal flow and minimize turbulence. Overall, mullite pouring cups are reliable components in investment casting processes that provide stability, thermal resistance, and controlled metal flow for high-quality castings.


Lots of sizes and shapes with the thickness of 25mm,30mm,38mm,45mm,70mm and width under 700mm,length under 1650mm.


Regular dimension (mm):

600*500 600*470 600*400 500*500 500*370 500*340 500*450 485*460 450*450 450*420 420*380 360*360 340*340 330*330 320*320 310*310mm

Note : Thickness can be customer made


Components UnitGT-45GT-46GT-46
Chemical compositionSiO2%454632
Bulk densityg/cm32.02.02.5
Apparent porosity%232419
Refractoriness under load142014001600
Thermal expansion coefficient10-6/℃
Compressive Strength at room temperatureMpa121215
Compressive Strength at 1250℃Mpa101012
Thermal shock resistance/BestBetterNormal
Max. working temperature125012201300
Scroll to Top