POLYPAC Shines at the 7th China International Advanced Materials Industry Expo

Monday, September 8, 2025

The 7th China International Advanced Materials Industry Expo concluded successfully in Harbin from August 30th to September 1st. As an important member of the Guangdong delegation, POLYPAC Seals stood out as a highlight of the expo and attracted wide attention, thanks to its outstanding achievements and innovative products in the field of advanced materials.

DMS Seals Shines at the 7th China International Advanced Materials Industry Expo

During the expo, Chairman Hu of POLYPAC Seals visited the site in person to guide work and conducted in-depth exchanges with numerous domestic and foreign industry peers. Chen Lei, Deputy Director of the Department of Industry and Information Technology of Guangdong Province, also visited POLYPAC Seals' Booth A10 for guidance. The booth was thronged with people, drawing a large number of professional visitors who stopped to consult. Intensive discussions were held around the performance characteristics and application scenarios of the company's high-performance pipe materials, creating a lively on-site atmosphere. In addition, visitors showed great interest in the seals suitable for ultra-low temperature and ultra-high temperature working conditions, and expressed appreciation for POLYPAC Seals' research and investment in new sealing materials.

 

POLYPAC Seals' brilliant performance at the expo won wide praise from the industry, fully demonstrating its technical strength and brand image. This participation not only built a valuable platform for POLYPAC Seals to communicate and cooperate with domestic and foreign counterparts, but also further consolidated and enhanced its leading position in the industry.

DMS-Seals-Shines-at-the-7th-China-International-Advanced-Materials-Industry-Expo

Looking ahead to the future, POLYPAC Seals will continue to uphold the philosophy of "innovation-driven and green development", continuously increase R&D investment, and commit itself to launching more high-performance and environment-friendly pipe material solutions. In doing so, it will inject strong impetus into the high-quality development of China's advanced materials industry.

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FAQ
Products
Why did my O-ring fail prematurely?
Common causes of O-ring failure include: Chemical Incompatibility: Swelling, softening, or cracking due to fluid exposure. Improper Sizing: Using an incorrect size leads to over-compression or inadequate sealing force. Abrasion: Wear and tear from rough surface finishes or contaminated fluid. Extrusion: The seal is forced into the gap between metal parts under high pressure. Installation Damage: Nicks, cuts, or twists during assembly.
How can I prevent seal damage during installation?
Use Tools: Always use dedicated installation tools (e.g., picks, cones, guides). Lubricate: Always lubricate the seal and the contact surface. Protect Sharp Edges: Cover sharp threads and edges with tape or use an installation sleeve. Check the Groove: Ensure the installation groove is clean, deburred, and undamaged.
What is the difference between NBR and FKM materials?
NBR (Nitrile/Buna-N): A general-purpose, cost-effective material with excellent resistance to petroleum-based oils and fuels. It has a standard temperature range of -30°C to +100°C (-22°F to +212°F). FKM (Fluoroelastomer/Viton®): A premium material with excellent resistance to high temperatures (up to 200°C+), chemicals, and oils. It is used in more severe environments but is more expensive than NBR.
How do I choose the right material for my sealing application?
Material selection depends on four key factors: Media: What fluid or gas will the seal contact? (e.g., petroleum oil, water, chemicals, steam) Temperature: What is the minimum and maximum operating temperature? Pressure: What is the system's operating pressure? Are there pressure spikes? Application: Is it a static, dynamic, or rotary seal? Example: NBR (Buna-N) is excellent for standard hydraulic oil, while FKM (Viton®) is needed for high temperatures or aggressive chemicals.
What is the purpose of the metal spring in a rotary shaft seal?
The garter spring in a shaft seal (e.g., FSKR, SPGO types) provides a constant radial force on the sealing lip. This ensures consistent contact with the rotating shaft, compensating for minor wear, eccentricity, and vibration to prevent lubricant leakage.
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