ISO 9001:2015 & IATF 16949:2016 · Made in USA
The references our engineers use every day — O-ring size standards, an interactive calculator, tolerance and compatibility data, and design guides. Free to use, no gate.
Choose the right elastomer for your temperature, chemistry and mechanical demands.
View →Chemical CompatibilityElastomer resistance ratings across hundreds of chemicals and media.
View →RMA Tolerance ChartStandard rubber manufacturing tolerance classes for molded and extruded parts.
View →Custom Molding GuideProcesses, tolerances and design guidance for custom rubber molding.
View →Oil Seal Size ChartShaft/bore sizing and cross-reference for rotary and static oil seals.
View →Diaphragm Design GuideTypes, materials and design considerations for rubber diaphragms.
View →Our engineers will help you size, select and specify — send us the application.
