Pressureless Sintering Silicon Carbide Products (S-SiC)

SSiC ceramic was made from ultra-fine and high purity SiC powder with a small quantity of sintering aids. Under inert gas or vacuum atmosphere of barometric pressure, the materials were sintering under high temperature (1950~2100℃), the  ceramic products which with the features of excellent mechanical properties (smooth, wear-resistant, etc.) and chemical properties (stable, high corrosion resistance, etc.), were almost completely dense. Be different to SiSiC, SSiC ceramics do not contain free silicon and metal adhesives which are easily to corrosion, and as it was formed by uniform and dense SiC, thus it has achieved superior performance in strong acid and alkali environment. On sliding interface of SSiC sealing article, independent and discontinuous spherical pores(50±μm) can be used as fluid or storage of lubricants on the surface of sliding elements. It can improve the performance of sliding interface to keep the fluid film bearing, which promote the friction performance of SSiC products.

Excellent corrosion resistance and superior frictional advantages make SSiC to be a wise choice of application in industrial sealing surface. SSiC can be applied in the field of chemical processing, waste water, petroleum refining, paper and pulp, mining, ocean, nuke industry, household appliances, etc. 

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Product Details

Pressureless Sintering Silicon Carbide Products (S-SiC)

SSiC ceramic was made from ultra-fine and high purity SiC powder with a small quantity of sintering aids. Under inert gas or vacuum atmosphere of barometric pressure, the materials were sintering under high temperature (1950~2100℃), the  ceramic products which with the features of excellent mechanical properties (smooth, wear-resistant, etc.) and chemical properties (stable, high corrosion resistance, etc.), were almost completely dense. Be different to SiSiC, SSiC ceramics do not contain free silicon and metal adhesives which are easily to corrosion, and as it was formed by uniform and dense SiC, thus it has achieved superior performance in strong acid and alkali environment. On sliding interface of SSiC sealing article, independent and discontinuous spherical pores(50±μm) can be used as fluid or storage of lubricants on the surface of sliding elements. It can improve the performance of sliding interface to keep the fluid film bearing, which promote the friction performance of SSiC products.

Excellent corrosion resistance and superior frictional advantages make SSiC to be a wise choice of application in industrial sealing surface. SSiC can be applied in the field of chemical processing, waste water, petroleum refining, paper and pulp, mining, ocean, nuke industry, household appliances, etc. 

 

 

Sealing Rings Types		Reaction Bonded SiC	Pressureless Sintering SiC			Hot Pressed Sintering SiC
Specifications		SiSiC	SSiC			HPSiC
			SSiC-A	SSiC-B	SSiC-C
Density	G/Cm3	＞3.03	＞3.08	＞3.20	2.65-2.95	＞3.15
Hardness	HV0.5	/	＞2200	＞2200	/	＞2500
	HRA	＞90	＞92	＞92	/	＞93
	HS	/	/	/	＞85	/
Bending Strength	Mpa	＞350	＞400	＞500	＞150	＞550
Compressive Strength	Mpa	＞2000	＞2000	＞2200	＞1500	＞2200
Elastic Modulus	Gpa	350	400	420	120	420
Thermal Expansion Coefficient	10-6/℃	4.0	4.0	4.2	3.0	4.0
Thermal Conductivity	W/M·k	50-100	90-100	60	120	120
Free Silicon Content	%	＜12	-
SiC Purity	%		＞98
Components		SiC Si C	SiC B4C C	SiC YAG	SiC C	SiC B4C C

 

SSiC Sealing Ring
SiC	99% Min
Density	3.12g/Cm3min
Open Porosity	1%Max
Bending Strength	440（1700℃）MPa
Compressive Strength	2400（1700℃）MPa
Coefficient Of Thermal Expansion	4.2 K-1x10-6
Thermal Conductivity	60 W/M.K (1700℃)
Application Temp.	1600-17000C

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Product Details

Pressureless Sintering Silicon Carbide Products (S-SiC)

SSiC ceramic was made from ultra-fine and high purity SiC powder with a small quantity of sintering aids. Under inert gas or vacuum atmosphere of barometric pressure, the materials were sintering under high temperature (1950~2100℃), the  ceramic products which with the features of excellent mechanical properties (smooth, wear-resistant, etc.) and chemical properties (stable, high corrosion resistance, etc.), were almost completely dense. Be different to SiSiC, SSiC ceramics do not contain free silicon and metal adhesives which are easily to corrosion, and as it was formed by uniform and dense SiC, thus it has achieved superior performance in strong acid and alkali environment. On sliding interface of SSiC sealing article, independent and discontinuous spherical pores(50±μm) can be used as fluid or storage of lubricants on the surface of sliding elements. It can improve the performance of sliding interface to keep the fluid film bearing, which promote the friction performance of SSiC products.

Excellent corrosion resistance and superior frictional advantages make SSiC to be a wise choice of application in industrial sealing surface. SSiC can be applied in the field of chemical processing, waste water, petroleum refining, paper and pulp, mining, ocean, nuke industry, household appliances, etc. 

 

 

Sealing Rings Types		Reaction Bonded SiC	Pressureless Sintering SiC			Hot Pressed Sintering SiC
Specifications		SiSiC	SSiC			HPSiC
			SSiC-A	SSiC-B	SSiC-C
Density	G/Cm3	＞3.03	＞3.08	＞3.20	2.65-2.95	＞3.15
Hardness	HV0.5	/	＞2200	＞2200	/	＞2500
	HRA	＞90	＞92	＞92	/	＞93
	HS	/	/	/	＞85	/
Bending Strength	Mpa	＞350	＞400	＞500	＞150	＞550
Compressive Strength	Mpa	＞2000	＞2000	＞2200	＞1500	＞2200
Elastic Modulus	Gpa	350	400	420	120	420
Thermal Expansion Coefficient	10-6/℃	4.0	4.0	4.2	3.0	4.0
Thermal Conductivity	W/M·k	50-100	90-100	60	120	120
Free Silicon Content	%	＜12	-
SiC Purity	%		＞98
Components		SiC Si C	SiC B4C C	SiC YAG	SiC C	SiC B4C C

 

SSiC Sealing Ring
SiC	99% Min
Density	3.12g/Cm3min
Open Porosity	1%Max
Bending Strength	440（1700℃）MPa
Compressive Strength	2400（1700℃）MPa
Coefficient Of Thermal Expansion	4.2 K-1x10-6
Thermal Conductivity	60 W/M.K (1700℃)
Application Temp.	1600-17000C

Advantages

1. Highly-knowledgeable equipment and application expertise

2. Technical innovation in mechanical seal design

3. Design qualification and Design team

4. Simulation and Rotating balance testing 

5. Reliable, customer-tailored, sealing solutions

6. Rapid and effective Reaction on feedback

Contact

Tel: 0086-136-33852636

Email: caec.sara@gmail.com

http://www.sicah.cn

Sales Manager: Sara Wang

Henan Si&C Co., Ltd