Explore thousands of custom and commodity sealing solutions for multiple applications.Learn More
From spring-energized seals to glide and backup rings, we have the performance seal you need.Learn More
Explore our range of custom-molded seals and other components for your specific applications.Learn More
From inspection and design support to coatings and cleaning, our engineers are ready to help.Learn More
Marco Rubber & Plastics offers the most diverse material options in the market. We supply o-rings and seals in any size, material,
durometer and performance requirements. Custom material development and design are typically available at no cost.
Talk to our experienced professionals to find creative product and service solutions. Typical office hours are M-F 8:30 am-5:00 pm EST. We respond to email in hours if not minutes.
The Marco sales team is backed by expert engineers available for on-demand conference calls to offer application specific material and design support to meet any sealing challenge.
We engineer custom shapes and develop specialty formulations to deliver a distinct performance advantage. Get custom o-rings, square rings, and x-rings in nearly any material.
Our integrated o-ring inventory network allows us to have real-time access to in-stock materials and provide fast, accurate quotes so you can be confident your order is en route.
We offer 3,000+ materials that deliver performance and price advantages for your application. Popular materials like Kalrez, Viton, and Parker are in-stock, many with same-day shipping.
Whether you need a high-temperature, high-pressure, or chemical-resistance seal, our team is committed to finding the right material at the best possible price for your application.
Every industry is unique. We understand the challenges you're facing and will match you with the best sealing solution for your success. Explore our industry expertise below.
We're proud to offer the world's largest inventory of readily-available and highly customized sealing solutions. Explore some of the most common sealing materials we offer here.
Looking for design guides and technical information? We've got you covered. Find size guides, analyses,
and more in our library of reference guides developed by our material experts.
Explore o-ring materials to compare temperature, performance, chemical resistance, abrasion, and more.View Guide
Browse in-depth charts on o-ring and sealing product sizes to find the right seal for your application.View Guide
View inside diameter and cross section tolerance levels for o-rings in different size measurements.View Guide
Groove design is critical to o-ring success. Learn key considerations and browse guides here.View Guide