Ceramic Mechanical Seal

Semicorex is a large-scale manufacturer and supplier of Silicon Carbide Coated Ceramic in China. We focus on semiconductor industries such as silicon carbide layers and epitaxy semiconductor. Our Ceramic Mechanical Seal has a good price advantage and cover many of the European and American markets. We look forward to becoming your long-term partner.

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Product Description

Silicon carbide (SiC) is a lightweight ceramic material with high strength properties comparable to diamond. It has excellent thermal conductivity, high mechanical strength, low thermal expansion, chemical resistance and thermal shock resistance. Semicorex silicon carbide Ceramics are ideal for sealing rings and bearings and we supply multiple sizes of silicon carbide rings as well as other SiC parts.
At Semicorex, we focus on providing high-quality, cost-effective Ceramic Mechanical Seal, we prioritize customer satisfaction and provide cost-effective solutions. We look forward to becoming your long-term partner, delivering high-quality products and exceptional customer service.
Contact us today to learn more about our Ceramic Mechanical Seal.

Parameters of Ceramic Mechanical Seal

Technical Properties
Index	Unit	Value
Material Name		Reaction Sintered Silicon Carbide	Pressureless Sintered Silicon Carbide	Recrystallized Silicon Carbide
Composition		RBSiC	SSiC	R-SiC
Bulk Density	g/cm3	3	3.15 ± 0.03	2.60-2.70
Flexural Strength	MPa (kpsi)	338(49)	380(55)	80-90 (20°C) 90-100(1400°C)
Compressive Strength	MPa (kpsi)	1120(158)	3970(560)	> 600
Hardness	Knoop	2700	2800	/
Breaking Tenacity	MPa m1/2	4.5	4	/
Thermal Conductivity	W/m.k	95	120	23
Coefficient of Thermal Expansion	10^-6.1/°C	5	4	4.7
Specific Heat	Joule/g 0k	0.8	0.67	/
Max temperature in air	℃	1200	1500	1600
Elastic Modulus	Gpa	360	410	240

The difference between SSiC and RBSiC:

1. Sintering process is different. RBSiC is to infiltrate free Si into silicon carbide at a low temperature, SSiC is formed by natural shrinkage at 2100 degrees.

2. SSiC have smoother surface, higher density and higher strength, for some sealings with more strict surface requirements, SSiC will be better.

3. Different used time under different PH and temperature, SSiC is longer than RBSiC

Features of Ceramic Mechanical Seal

- Both the ceramic substrate and silicon carbide layer have a high thermal conductivity, and excellent heat distribution properties.
- Tighter dimensional tolerances lead to higher product yield and lower costs
- Avoid peeling off and ensure coating on all surface
High purity: made by CVD chemical vapor deposition under high temperature chlorination conditions.
Corrosion resistance: high hardness, dense surface and fine particles.
Corrosion resistance: acid, alkali, salt and organic reagents.

Available shapes of silicon carbide ceramics：

● Ceramic rod / ceramic pin / ceramic plunger

● Ceramic tube / ceramic bushing / ceramic sleeve

● Ceramic ring / ceramic washer / ceramic spacer

● Ceramic disc

● Ceramic plate / ceramic block

● Ceramic ball

● Ceramic piston

● Ceramic nozzle

● Ceramic crucible

● Other custom ceramic parts