Product Details

High temperature heating element silicon nitride bonding silicon carbide tube

Product Details

1.Description of Product

Silicon Nitride (Si3N4) bonded silicon carbide (SiC) material is a new type of advanced refractory materials. Compared with silicon carbide product, the product has characteristics of small thermal expansion, high thermal conductivity, not easy to have thermal stress, good thermal shock resistance, corrosion resistance, extreme cold or heat, oxidation, high temperature creep resistant ability and easily made into products with high dimensional accuracy requirements in line.

2.Pictures of Product

3.Parameter of Product silicon nitride bonding silicon carbide tube

Item		Unit	Index
Bulk Density		g/cm3	>2.45
Apparent Porosity		%	<17-18
Compression Strength		MPa	≥150
Modulus Rapture at Elevated Temperature		MPa	>40-45
Max Service Temperature		℃	1600
Thermal Conductivity		w/m.k	15(1100℃)
Chemical Composition	SiC	%	≥72
	Si3N4	%	≥21
	Fe2O3	%	≥0.5

4.Different Shapes of Si3N4 Product

5.Application of Product silicon nitride bonding silicon carbide tube

Si3N4 tube is made from composite material with combination of Si3N4 and SiC.

It is special used as rise tube in non-ferrous metal industry, thermocouple protective tube, electric heating element protective tube, gas protective tube in carbon fiber industry.

It is characterized by good ability in resisting corrosion, resisting thermal shock,resisting oxidizability,resisting high temperature liquid scour.

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