Polypac Custom O-Ring Seals — Durable, Tailored Sealing Solutions
Polypac Custom O-Ring Seals — Reliable, Tailored Performance
Polypac manufactures high-quality custom O-ring seals designed to meet demanding hydraulic and oil sealing needs. From general-purpose applications to special working conditions, our O-rings deliver reliable sealing, extended service life, and easy installation.
Why choose Polypac O-Rings?
- Wide range of materials: NBR, FKM, silicone, EPDM, and High Quality FFKM for extreme environments.
- Proven manufacturing: over 10,000 m² facility with advanced production and testing equipment.
- Customized solutions: tailored sizes, compounds, and tolerances to fit unique applications.
- Strong R&D backing: long-term partnerships with universities and research institutes ensure material and design improvements.
Practical benefits
Polypac O-rings reduce downtime and maintenance costs by providing consistent sealing under pressure, temperature changes, and exposure to oils and chemicals. Our material options let you choose the best balance of wear resistance, chemical compatibility, and temperature performance for your equipment.
Applications and industries
Our custom O-ring seals are ideal for hydraulic systems, oil seals, valves, pumps, and industrial machinery across industries such as construction, agriculture, automotive, marine, and energy. We also offer solutions for special conditions like high temperature, aggressive fluids, and low-permeability requirements.
Quality and testing
Every O-ring produced goes through rigorous inspection and testing to ensure size accuracy and material performance. As a leading Chinese seal manufacturer, Polypac maintains strict quality control and traceability for every batch.
Get a tailored sealing solution
Whether you need a stock material or a fully customized compound and design, Polypac provides expert guidance from specification to delivery. Contact us to discuss your sealing challenge and get a reliable, cost-effective O-ring solution that protects your equipment and improves uptime.
Product Images
O-Ring Seals - Buna-N Nitrile Rubber Standard AS568 Sizes
O-rings are the most versatile and economical sealing solution for static and dynamic applications. Our nitrile rubber O-rings offer excellent resistance to petroleum-based oils, fuels, and hydraulic fluids, making them ideal for a wide range of industrial, automotive, and plumbing uses.
O-Ring Assortment Kit - 500+Pcs NBR Buna-N Seals in AS568 Sizes
This comprehensive O-ring kit contains the most commonly used sizes and durometers for general maintenance and repair.
SPN Series Oil Seals Dual-Lip Design for Rotating Shaft Protection
The SPN series is a robust oil seal designed for rotating shaft applications
GNS Type Piston Seal - Polyurethane Seal with PTFE Backup Ring
The GNS is a premium combination seal designed for hydraulic and pneumatic cylinders.
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