Cheng Hsin Seal: Precision Guardian of Semiconductor Manufacturing Processes
Do you have any of the following sealing problems in the semiconductor industry?
Let Xin Seal King help you solve the problem!
Why choose Bearing Seal King?
Material Specialties
Program Understanding
Quality Assurance
Rapid delivery
Semiconductor Seal Core Products
High-end Fluorine Rubber O-Ring
Perfluoroelastomer materials such as Kalrez®, Chemraz®, etc., with a temperature resistance of up to 327°C, suitable for all process stages.
Customized Gasket
Customized gaskets for various applications including flange gaskets, valve seat gaskets, and more.
Pipe Connections
Ultra-high purity VCR and Swagelok joint seals ensure zero leakage in the gas system.
Vacuum Cavity Seal
Large chamber seals ensure extremely high vacuum below 10-⁹ Torr.
Semiconductor Sealing Process Application Solutions
We offer optimized sealing solutions for different segments of the semiconductor process.
Film Deposition
CVD/PVD equipment sealing, high temperature and precursor chemical corrosion resistance
Dry Etching
Customized gaskets for various applications including flange gaskets, valve seat gaskets, and more.
Wet Cleaning
Sealed chemical cleaning tanks, resistant to acids, alkalis and organic solvents
Heat Treatment
Diffusion and annealing furnace sealing, long-term stability at ultra-high temperatures
Comparison of Semiconductor Seal Material Specifications
Different process environments require different grades of sealing materials. Below is a comparison of the properties of the main materials we supply to help you quickly find the most suitable choice.
| Material Grade | Maximum operating temperature | Chemical Tolerance | Main Applications |
|---|---|---|---|
| Kalrez® 6375 | 327°C | Excellent (with plasma) | Etching, CVD chamber |
| Chemraz® 505 | 316°C | Excellent (General Process) | Pumps, Valves |
| Viton® ETP | 204°C | Good (Organic solvent) | Wet Processing, Cleaning |
| PTFE | 260°C | Superior (Inert) | Corrosion chemicals |
Customer Success Stories
"The team has a deep understanding of our process requirements and not only sells products, but really helps us to solve our problems. After replacing the sealing material, the stability of our equipment has been greatly improved and the maintenance cost has been significantly reduced."

- Manager, Process Equipment Department of a leading foundry
"In an emergency shutdown incident, we delivered the special specification O-Ring to our factory within 4 hours so that we could resume production quickly. This kind of service response speed is rarely seen in the industry."

- Facility Engineer for a Memory Manufacturing Plant
"In the past three years of cooperation with Xin, the technical suggestions they provided have helped us optimize the sealing solutions for a number of process segments, saving us more than ten million dollars in cumulative maintenance cost."

- Purchasing manager of a power component factory
Choose Chengxin, Choose Peace of Mind
01Professional Consultation
Our engineers will provide a free assessment of your application needs and recommend the most suitable solution.
02Sample Testing
We will provide samples for actual testing to verify that their performance meets your expectations.
03Rapid delivery
We’ll quickly arrange production after your order is confirmed to ensure your project stays on schedule.
04Installation Support
We provide detailed installation instructions and, if necessary, dispatch a technician to assist on-site.
05Ongoing Services
Long-term technical support and regular follow-ups ensure the system runs smoothly
Cheng Hsin Seal King not only provides high quality products, but also emphasizes the long-term cooperation relationship with customers. Our technical team is always on standby to assist you in solving all kinds of sealing-related technical problems, ensuring that your equipment always maintains the best running condition.
Get Started on Your Sealing Upgrade Plan Today
Let Chengxin Sealing King help you solve your sealing challenges
No matter what sealing challenges you face, Chengxin Sealing King can provide professional solutions. Our technical team is always ready to assist you, offering comprehensive support from needs analysis to product delivery.
Contact us now to take advantage of the following offers: