Products
Silicon Nitride Tube
Density : 3.22 g/cm3
Max. Using Temperature : <1,200 degree C
Application: Aluminum Low Pressure Die Casting
Silicon Nitride Tube is made of Si3N4 ceramic, for both oxide and non-oxide advanced ceramic families, Si3N4 ceramic provides one of the largest cross-sections of material properties. For complicated and hard operating conditions, it is a special solution that meets the demands of some of the world's toughest industrial environments. Silicon nitride ceramic tubes are often used by engineers and process managers in a number of challenging areas to improve their production chains over longer life cycles with outstanding thermal and mechanical performance.
Thanks to its unique interlocking microstructure, silicon nitride is a low-density technical ceramic with excellent thermomechanical properties. Via hot pressing and gas pressure sintering, UNIPRETEC manufactures high performance silicon nitride, giving an almost mesh-shaped form of outstanding strength and toughness. For applications that demand the highest possible flexural strength and maximum breaking strength, hot-pressed silicon nitride is widely recommended.
Team of UNIPRETEC has over ten years of reseach and development in engineered fine ceramics manufacturing for challenging applications. Our Know-how of the complexity of silicon nitride ceramic creation and manufacturing makes us one of the world's leading manufacturer of Silicon Nitride Thermocouple Protection Tube, Silicon Nitride Riser Tubes, Silicon Nitride Heater Tubes...
General Features
√ low density, low weight | √ greatly electrical insulation | √ non-wetting to non-ferrous metals |
√ long service life, high cost-effective | √ high hardness, high wear resistance | √ low coefficient of thermal expansion |
√ outstanding resistance to thermal shock | √ max. operating temperature up to 1,200°C | √ superior corrosion resistance to molten metals |
Technical Characteristics

Using Environment

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