Blog - Beijing North Refractories Co., Ltd.

19 2025,07

NR-95 Boards for Hot Bending Glass Molds

High-Density Calcium Silicate Boards for Hot Bending Glass MoldsIn the manufacturing of hot bending glass, molds are critical tools that determine the shape and surface quality of the final glass prod...

18 2025,07

NR-85 Boards for Firedoor Rail and Stile

High-Density Calcium Silicate Boards for Fire Door Rail and Stile ApplicationsIn fire door construction, "rail and stile" refers to the horizontal (rail) and vertical (stile) components that...

16 2025,07

NR Series High Density Boards for Cable Cases Fireproof

In industrial and civil buildings, electrical cables are vital lifelines for power and data transmission. However, fires often spread rapidly through cable trays, leading to power outages and even lar...

15 2025,07

NR High Density Calcium Silicate Boards in Continuous Casting Equipments

In the continuous casting of aluminum, molten metal flows continuously from a holding furnace, through various channels, and into a mold to form a solidified strand. This process demands extremely rel...

14 2025,07

Microporous Insulation vs. High-Density Calcium Silicate Boards for Kiln Insulation

Nanoporous vs. High-Density Calcium Silicate Boards for Kiln InsulationChoosing the right insulation for industrial kilns is key to energy efficiency and performance. Nanoporous Insulation Boards and ...

13 2025,07

Main Application of PCW blankets 1600°C

Polycrystalline Fiber Blanket is an advanced high-temperature insulation material, manufactured from special ceramic fibers with an alumina content typically exceeding 70% or even 99% through a needli...

12 2025,07

Key Points for Making a Transition Plates by CNC

When CNC machining calcium silicate transition plates (T-plates), bushes, nozzles, and other accessories used in aluminum casting, precision is paramount for optimal performance. Calcium silicate mate...

11 2025,07

Insulation for Semiconductor Industry

In ultra-high temperature, high-purity industrial furnaces such as semiconductor sintering furnaces, special ceramic sintering furnaces, and monocrystalline/polycrystalline silicon production furnaces...

10 2025,07

Ideal Materials for Electrical Resistance Insulation

High-density calcium silicate boards are renowned for their exceptional high-temperature resistance, high strength, low thermal conductivity, and dimensional stability. However, they also possess a cr...

09 2025,07

How NR-80 High Density Calcium Silicate Boards Resist Molten Aluminum

The NR-80 high density calcium silicate board is specifically engineered to provide exceptional resistance to molten aluminum, thus significantly extending the lifespan of furnace linings and componen...