Using Custom Rubber Diaphragms

Using Custom Rubber Diaphragms Is a low-cost component costing you more than it’s worth? In many pressure-sensitive assemblies, the rubber diaphragm is overlooked until performance drops. Systems begin experiencing inconsistent pressure, premature wear, and unexpected chemical degradation. These are signs that a standard diaphragm isn’t cutting it anymore. Custom rubber diaphragms solve problems that off-the-shelf […]

Marco Rubber & Plastics Appoints Chad Smith as New Chief Executive Officer

FOR IMMEDIATE RELEASE Marco Rubber & Plastics Appoints Chad Smith as New Chief Executive Officer Seabrook, NH — September 3, 2025 — Marco Rubber & Plastics (“Marco”) today announced the appointment of Chad Smith as Chief Executive Officer, effective immediately.  Smith joins Marco after serving as CEO of Northern Wholesale Supply, where he led the […]

How to Lubricate O-Rings

In many systems, o-ring failure is a lubrication issue. O-ring lubrication is central to seal performance, especially during installation and in dynamic systems. A compatible lubricant can prevent damage, reduce friction, and improve long-term sealing integrity. However, not all lubricants work with every elastomer. Choosing the wrong one can shorten seal life or lead to […]

How to Measure O-Rings

Accurate o-ring sizing is essential for seal performance, longevity, and system reliability. Undersized or oversized o-rings can leak, wear out early, or fail under pressure. Knowing how to measure an o-ring accurately helps ensure better sealing, longer life, and fewer headaches. To properly size an o-ring, you need three critical measurements: inside diameter (ID), cross […]

New Capabilities, Same Commitment: Marco Rubber & Plastics Welcomes Colonial Seal Company

New Capabilities, Same Commitment: Marco Group Welcomes Colonial Seal Company We’re excited to announce that Marco Group has added oil seals to our growing product portfolio through the acquisition of Colonial Seal Company. Colonial is a specialty distributor of oil seals, o-rings, gaskets, and shaft seals, serving a diverse range of customers across pharmaceutical, industrial, […]

Why Chemical Compatibility Matters in Seals

Why Chemical Compatibility Matters in Seals Seals may be small, but they play a massive role in keeping industrial systems running smoothly. Seals must withstand exposure to various chemicals without degrading in chemical processing, pharmaceuticals, aerospace, food production, and several other applications. If the wrong seal material is used, the results can range from minor […]