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Rod Wiper Seal Solutions by Polypac

Rod Wiper Seal Solutions by Polypac

Overview

Polypac specializes in designing and manufacturing High Quality Rod Wiper Seal solutions for hydraulic and pneumatic cylinders. A Rod Wiper Seal prevents dirt, dust, and fluid cross-contamination from entering the sealing system, enhancing reliability and reducing downtime for industrial equipment.

Key Features & Materials

Our Rod Wiper Seal range uses advanced materials—NBR, FKM, EPDM, silicone, FFKM and various filled PTFE formulations (bronze, carbon, graphite, MoS₂, glass)—to match operating temperatures, pressures, and chemical exposure. Engineered geometry ensures efficient wiping action while minimizing friction and wear.

Custom Manufacturing Capacity

Founded in 2008, Polypac operates a modern factory across 10,000 m² with 8,000 m² of production space and industry-leading testing equipment. We provide custom Rod Wiper Seal designs and rapid prototyping, working closely with clients to tailor dimensions, lip profiles, and compound selection for special working conditions.

Performance & Durability

Polypac Rod Wiper Seals are built to extend cylinder life by blocking contaminants and resisting extrusion, abrasion, and chemical attack. Our filled PTFE options offer low friction and excellent thermal stability for heavy-duty applications, while elastomeric choices provide cost-effective sealing with strong recovery characteristics.

Quality, R&D and Compliance

As one of China’s largest seal developers, Polypac maintains long-term partnerships with universities and research institutes to advance sealing materials and testing methods. Every Rod Wiper Seal undergoes strict inspection to meet customer specifications and international quality standards.

Why Choose Polypac

Choose Polypac for engineered Rod Wiper Seal solutions that combine material expertise, scalable production, and responsive customization. Whether replacing standard seals or developing seals for extreme environments, our team delivers reliable performance and measurable lifecycle value.

Rod Wiper Seal 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.

When should I use a spring-energized seal instead of a standard elastomeric seal?

Consider a spring-energized seal (e.g., GSF, SPN types) for demanding applications involving: Extreme Temperatures (below -30°C or above +200°C) Aggressive Chemicals that elastomers can't handle Very Low Leakage or "Zero Leakage" requirements Poor Lubricity or dry running conditions The internal spring maintains constant sealing force, compensating for wear and system variables.

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.

What is the difference between a static seal and a dynamic seal?

A Static Seal is used between two surfaces that do not move relative to each other (e.g., pipe flanges, end caps). O-rings and gaskets are common static seals. A Dynamic Seal is used between surfaces that do move (e.g., piston and cylinder, rotating shaft). Rod seals, piston seals, and rotary shaft seals are designed for this purpose.

Table of Contents

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Rod Wiper Seal Solutions by Polypac
Overview
Key Features & Materials
Custom Manufacturing Capacity
Performance & Durability
Quality, R&D and Compliance
Why Choose Polypac
Rod Wiper Seal Display

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