Polypac Rubber O Ring Seals — Custom, High-Performance Sealing Solutions

Polypac Rubber O Ring Seals — Reliable, Custom, High-Performance

Polypac designs and manufactures High Quality rubber o ring seals for hydraulic, pneumatic and general industrial applications. Founded in 2008, we combine decades of material expertise with modern production to deliver seals that reduce leakage, extend component life and withstand harsh environments.

Precision Manufacturing & Facility Capabilities

Our custom rubber ring and O-ring factory covers more than 10,000 m² with 8,000 m² of production space and industry-leading molding and testing equipment. This scale enables consistent quality, rapid prototyping and efficient volume production of rubber o ring seals and oil seals for OEMs and repair markets.

Material Range & Application Compatibility

Polypac offers rubber o ring seals in NBR, FKM, silicone, EPDM and FFKM compounds, plus advanced PTFE-based solutions rooted in our original filled PTFE expertise (bronze, carbon, graphite, MoS₂, glass). Choose the right material for temperature, chemical resistance and wear demands.

Custom Solutions for Special Working Conditions

We specialize in tailored sealing solutions for high-pressure hydraulics, aggressive media, elevated temperatures and dynamic reciprocating environments. Custom compounding, precision tolerances and specialized profiles ensure each rubber o ring seal meets the exact requirements of your application.

Quality Assurance, Testing & R&D Collaboration

Polypac maintains rigorous testing protocols and long-term collaborations with universities and research institutes at home and abroad. From accelerated life testing to chemical compatibility analysis, our R&D validates performance before parts reach your production line.

Why Choose Polypac

As one of China’s largest seal developers, Polypac pairs production capacity with engineering support to provide cost-effective, reliable rubber o ring seals, short lead times and global supply. Contact us for samples, drawings review and customized sealing solutions engineered to your exact needs.