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Markez® FFKM: A High-Performance Alternative for Demanding Sealing Applications

Summary Introduction Some sealing applications leave no room for compromise. High temperatures, aggressive chemicals, and elevated pressures can quickly degrade standard elastomers, leading to leaks, unplanned downtime, and costly repairs. Markez® FFKM was developed to meet these conditions head-on. As a perfluoroelastomer material available through Global O-Ring and Seal as part of Marco Sealing Solutions, […]

Global O-Ring and Seal Joins Marco Sealing Solutions, Bringing a National Footprint to Our Customers 

Global O-Ring and Seal, LLC (“Global”) has joined Marco Sealing Solutions (“Marco”), a leading distributor of high-performance sealing products, in an acquisition that adds Global’s Houston operation to Marco’s growing national footprint. For our customers, it means the same team, same inventory, and same same-day service — now backed by a larger organization with deeper engineering resources […]

O-Ring Size Guide: How to Measure, Identify, and Order the Right Size Every Time

Summary Introduction An o-ring looks simple: a rubber loop with a round cross-section. But ordering the correct replacement depends on getting three numbers exactly right, and those numbers can be surprisingly easy to misread from a worn sample, a partial part number, or a faded drawing. This guide walks through the dimensions that define every […]

Standard vs. UL Listed O-Rings: When to Use Each

Summary Introduction Standard and UL-listed o-rings often appear similar in size, material, and installation, yet the specification behind each designation can carry different performance and operational implications. In many systems, selecting the correct seal is a decision that must align with the equipment’s safety expectations, operating environment, and level of risk. Understanding the difference between […]

Selecting Teflon® Encapsulated O-Rings for Reliable Sealing

Summary Introduction Teflon® encapsulated o-rings provide reliable sealing in environments where chemical exposure, temperature variation, or cleanliness requirements challenge standard elastomer materials. By combining a chemically resistant fluoropolymer jacket with a resilient elastomer core, these seals offer a practical solution when compatibility and long-term stability are critical to system performance. What Are Teflon® Encapsulated O-Rings? […]

How Tensile Strength Affects O-Ring Performance

Summary Introduction Tensile strength is a fundamental mechanical property that influences how elastomers respond to stress, deformation, and repeated loading. In sealing applications, this property helps determine whether an o-ring can withstand the mechanical demands encountered during installation and service. While tensile strength is often listed as a single value on a material datasheet, its […]