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Si3N4 Sealing Pipe

Si3N4 Sealing Pipe introduction Advanced technology of Si3N4 Silicon nitride Sealing Pipe for aluminum foundry.Featuring high density and abrasion resistance, fine silicon nitride ceramic is suitable for material used for low pressure die casting.The stopper pipe has the most favorable...

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Si3N4 Sealing Pipe introduction

Advanced technology of Si3N4 Silicon nitride Sealing Pipe for aluminum foundry.Featuring high density and abrasion resistance, fine silicon nitride ceramic is suitable for material used for low pressure die casting.The stopper pipe has the most favorable properties of protectiveness,impermeability and excellent precision.

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Si3N4 Silicon nitride Sealing Pipe Main Features
1.Corrosion resistance 
Outstanding corrosion resistance to molten aluminum alloys and flux contamination free. 
2.Oxidation resistance 
Oxidation rarely accurs at operating temperature(up to 800 C), which allows hi-cera to maintain stable performance for a long service life. 
3.Thermal shock resistance 
Superior thermal shock resistance allows hi-cera protection tubes to be inserted in molten aluminum directly with simple preheating. 
4.Mechanical strength 
The highest strength among ceramics allows a thin wall thickness. 
5.Wear resistance 
Excellent wear resistance gives degassing rotor shafts a long service life at a high speed revolution. 
6.Acid resistance 
Exceptional acid resistance against acids such as hydrochloric acid and sulfuric acid permits removal of sticking matter on the surface with such acids.  

Our Advantage

1,high strength

2,high temperature resistance 

3,high hardness  

4,high wear resistance,corrosion resistance

5,excellent oxidation resistance

6,excellent thermal shock resistance

7,excellent thermal conductivity and thermal efficiency. 

8,the other advantages
Relevant Recommendation 
Silicon Nitride Riser Tube 
Silicon Nitride Stopper Pipe 
Silicon Nitride Heater Protection Tube 
Silicon Nitride Degassing Rotor and Shaft 
Silicon Nitride Thermocouple Protection Tube  

Our customers have a wider range of processing choices for transportation mode. 

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