PFOA-Free Certification—Chengxin Guarantees the Purity of Its Sealing Components
Do your sealing components comply with the PFOA-free specifications?
Let Chengxin Sealing King Help You: Build a Safe and Compliant Line of Defense
Core Advantages of Chengxin Sealing King
Comprehensive Certification System
Our products have obtained numerous international certifications, including PFOA-Free, RoHS, and REACH, and we continuously monitor the latest regulatory developments to ensure our customers’ products always comply with global market standards. Each batch of products comes with a complete test report.
Carefully Selected PFOA-Free Certified Materials
We offer the 100%, a fluorine-free material solution that complies with international environmental conventions, eliminating perfluorooctanoic acid (PFOA) residues at the source and ensuring your products can be used with confidence in sensitive sectors such as food and healthcare.
Comprehensive Compliance Monitoring and Traceability
By proactively providing test reports from third-party laboratories and complete material declarations, we significantly reduce the burden of document preparation when you are responding to customer audits and regulatory inspections.
Technical Support That Balances Environmental Protection and Performance
We have developed alternatives that combine environmental friendliness with exceptional sealing performance for a wide range of demanding operating conditions, ensuring that your products maintain their original performance even as you transition to greener manufacturing processes.
Chengxin PFAS-Free: Examples of Diverse Applications
Chengxin Sealing King offers a diverse range of PFAS-free sealing components to ensure that your products maintain exceptional performance and remain environmentally friendly even in the most demanding environments. Below are some of the solutions we have tailored for various industries:
PFOA-Free O-Rings
Widely used in the food processing, medical device, and semiconductor industries, it ensures that fluid or gas seals are free of PFOA contamination, thereby protecting product purity.
PFOA-Free Oil Seals
Specifically designed for high-speed, high-temperature environments such as automotive and mechanical equipment, it ensures zero PFOA release from the transmission system and enhances equipment performance and safety.
PFOA-Free Gasket
Offering exceptional chemical resistance and high-temperature stability, it is suitable for critical applications in the petrochemical and pharmaceutical industries where strict control of chemical leaks is required.
PFOA-Free Custom Molded Parts
Tailored to meet customers’ specific needs, these products are widely used in the electronics and new energy sectors, providing precise, PFOA-free sealing solutions.
Key Applications of PFOA-Free Products Across Various Industries
Food and Beverage Industry
Pharmaceutical and Biotechnology Industry
Water Treatment Industry
Semiconductor Industry
Customer Testimonials: A Trusted Partner
"Thanks to the PFOA-free sealing components provided by Chengxin Sealing King, we successfully passed our EU client’s supplier audit, allowing our products to enter the European market."

A well-known food manufacturer in Taiwan
"We have extremely strict requirements for sealing materials. Chengxin Sealing King not only provides complete certification documents, but the product quality is also very consistent."

Purchasing Manager, International Pharmaceutical Group
"Amid increasingly stringent PFOA regulations, Chengxin Sealing King assisted us in evaluating material substitutions, ensuring not only that our products comply with the latest standards but also that their sealing performance is even better."

Head of R&D at a Water Treatment Equipment Manufacturer
Complete service process from design to certification
Requirements Analysis and Material Selection
We gain a deep understanding of our customers’ application scenarios and provide precise recommendations for PFOA-free materials and optimal design solutions to ensure that our solutions are both efficient and environmentally friendly.
Prototype Development and Rigorous Testing
Prototypes are manufactured according to the design specifications and undergo rigorous PFOA-free compliance and performance testing to ensure that the products meet all international standards.
Certification Consulting and Document Preparation
We provide professional certification consulting services to assist clients in preparing all necessary documents and expedite the process of obtaining PFOA-Free certification for their products.
Mass Production and Quality Traceability
Ensure that PFOA-free components maintain consistent high quality during mass production and provide full batch traceability to meet global supply chain requirements.
Launch and Ongoing Support
We assist with the smooth launch of products, provide long-term technical support, and track regulatory updates to ensure ongoing compliance.