Polypac O-Rings Wholesale Bulk Supply
Polypac O-Rings Wholesale Bulk Supply
Polypac is a scientific and technical hydraulic seal manufacturer and oil seal supplier specializing in seal production, sealing material development, and customized sealing solutions for special working conditions. We offer o-rings wholesale bulk supply for businesses that need reliable, cost-effective sealing solutions in volume.
Why choose Polypac?
Founded in 2008, Polypac combines deep material knowledge with modern production lines. Our custom rubber ring and O-ring factory covers more than 10,000 square meters, with 8,000 square meters of production space. With advanced production and testing equipment and long-term cooperation with universities and research institutions, we deliver consistent quality you can trust.
Materials & applications
We manufacture O-rings in a wide range of materials to meet different environments and media. Common options include:
- NBR (nitrile) — oil and fuel resistance
- FKM (Viton) — high temperature and chemical resistance
- Silicone — low temperature flexibility and food-grade options
- EPDM — weather, steam and water resistance
- FFKM — top-level chemical and thermal resistance for extreme conditions
These O-rings are suitable for hydraulics, pneumatics, automotive, industrial machinery, and general maintenance applications.
Quality, customization and bulk benefits
As one of China’s largest seal producers, Polypac emphasizes testing and traceability. We use industry-standard inspections to ensure dimensions, hardness and sealing performance. For bulk orders, we offer competitive pricing, consistent lead times, and the ability to produce custom sizes, durometers and compound formulations to match your needs.
Whether you need standard sizes in large quantities or tailored O-rings for special conditions, our experienced team can recommend the right material and design. Buying o-rings wholesale in bulk from Polypac means fewer supply disruptions, predictable costs, and seals engineered to perform.
Contact Polypac today for a quote or sample and ensure your next project uses dependable O-rings from a proven manufacturer.
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FAQ
When should I use a spring-energized seal instead of a standard elastomeric seal?
How important is surface finish on the metal parts that contact the seal?
Can I reuse a seal?
How can I prevent seal damage during installation?
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.
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.
Polypac is a trusted global supplier of high-performance sealing solutions, providing OEM & ODM services for industries worldwide.
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