Blog - Beijing North Refractories Co., Ltd.

06 2025,07

High-Density Calcium Silicate Boards vs. Fused Silica for Aluminum Launders

Both High-Density Calcium Silicate Boards and Fused Silica are popular choices for constructing launders in aluminum casting operations, but they offer distinct advantages and disadvantages that influ...

05 2025,07

High-Density Calcium Silicate Boards in Aluminum Melting Furnaces

Non-wetting, high-density calcium silicate boards are increasingly vital for aluminum melting furnaces, though their primary role differs slightly from holding furnaces. In melting operations, their k...

04 2025,07

High Density Calcium Silicate Boards for Aluminum Refining Furnaces

Non-Wetting High-Density Calcium Silicate Boards in Aluminum Refining FurnacesAluminum refining furnaces, often rotary or tilting types, are where molten aluminum undergoes intensive treatment with fl...

03 2025,07

Calcium Silicate VS Ceramic Fiber for Caster Tips

When it comes to caster tips in aluminum continuous casting, both High-Density Calcium Silicate Boards and Ceramic Fiber materials are used, but they have distinct characteristics that make them suita...

02 2025,07

Application of Alumina Continous Fiber

Continuous Alumina Fiber is an advanced, high-performance ceramic fiber primarily composed of high-purity alumina, often produced via the sol-gel method. It boasts extremely high-temperature resistanc...

$Aluminum Holding Furnaces and The Refractories$ 01 2025,07

Aluminum Holding Furnaces and The Refractories

An aluminum holding furnace is a vital piece of equipment in the casting process, designed to maintain molten aluminum at a precise temperature before it is cast into final products. Unlike melting fu...

27 2025,06

What Is Transition Plate And How Is Used For Vdc And Hdc Casting

Calcium silicate transition plates, often referred to as T-plates, play a critical role in the aluminium casting process, particularly in vertical direct chill (VDC) and horizontal direct chill (HDC) ...

24 2025,06

What Is A Deep Bed Filter System For Molten Aluminum

A deep bed filter system for molten aluminum is a critical piece of equipment in the aluminum casting industry, designed to remove inclusions and impurities from the molten metal before it solidifies....

20 2025,06

NR-110 Electrical Insulation Board

NR-110 boards, as high-density calcium silicate boards, are indeed known for their combination of high-temperature stability, mechanical strength, and increasingly important, excellent electrical insu...

17 2025,06

High-Purity Ingot Technology and Its Impurity Removal Methods

Impurities in high-purity ingots, including inclusions, hydrogen, and alkali metal elements such as sodium (Na), calcium (Ca), and lithium (Li), can all negatively affect the purity of aluminum melt, ...