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Polypac O-ring Kits — Precision Sealing Solutions

Polypac O-ring kits — Precision Sealing Solutions

Trusted Manufacturer & Expertise

Polypac is a scientific and technical hydraulic seal manufacturer and oil seal supplier with a custom rubber ring and O-ring factory covering over 10,000 m². Founded in 2008 and rooted in advanced filled PTFE technology, Polypac combines decades of material know-how with sustained R&D partnerships with universities and research institutions to produce industry-leading O-ring kits for critical sealing tasks.

Comprehensive O-ring kits

Our O-ring kits are engineered for versatility and reliability, available in standard sizes and fully customized sets to simplify maintenance and reduce downtime. Kits include elastomers such as NBR, FKM, silicone, EPDM and high-performance FFKM, supplying options for temperature extremes, pressure sealing and chemical compatibility across hydraulic and oil systems.

Customization for Special Conditions

Polypac specializes in tailored sealing solutions for special working conditions. Whether your application needs enhanced chemical resistance, low-permeability materials, static or dynamic sealing, or specialty compounds filled for friction control, our O-ring kits can be specified by material, durometer and dimension to match exact operational requirements.

Quality Control & Testing

Our 8,000 m² production space is equipped with advanced manufacturing and testing equipment to ensure consistent quality. Each O-ring kit undergoes dimensional inspection, compound verification and performance testing to meet industry standards and customer specifications, ensuring longevity and leak-free performance in the field.

Applications & Benefits

Polypac O-ring kits serve industries including hydraulic equipment, automotive, oil and gas, chemical processing and industrial machinery. Benefits include reduced inventory complexity, faster repairs, improved equipment uptime and engineered material selections that lower long-term maintenance costs.

Order & Technical Support

For sample kits, custom quotes or engineering support, Polypac provides rapid response and global supply capability. Choose Polypac O-ring kits for proven sealing performance, expert material selection and tailored solutions that keep your systems running reliably.

O-ring kits Display

FAQ:

What does "AS568" mean?

AS568 is the Aerospace Standard that defines the dimensions for over 360 standard O-ring sizes. It is the most widely accepted sizing system in North America and globally. An AS568 number (e.g., AS568-214) specifies a precise inside diameter and cross-section.

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.

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.

Can I reuse a seal?

We strongly recommend never reusing seals. Once compressed and used, a seal takes a "set" and its elastic properties are degraded. Reusing it almost always results in a leak. Always install a new seal during any maintenance or repair.

Table of Contents

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Polypac O-ring kits — Precision Sealing Solutions
Trusted Manufacturer & Expertise
Comprehensive O-ring kits
Customization for Special Conditions
Quality Control & Testing
Applications & Benefits
Order & Technical Support
O-ring kits Display

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