Archive for April 27th, 2025

What is a TB Oil Seal? 1. Definition and Overview A TB oil seal is a T-type skeleton radial oil seal standardized under DIN 3760/ISO 6194. The designation “TB” reflects its design: TB seals are engineered to prevent fluid leakage along rotating shafts in low-contaminant environments, balancing cost-effectiveness, minimal friction, and reliable sealing performance. They […]

What is the Difference Between EPDM and FKM Seals? 1. Introduction EPDM (Ethylene Propylene Diene Monomer) and FKM (Fluorocarbon Rubber) are two dominant elastomers used in sealing applications, yet they serve vastly different roles due to their unique chemical and mechanical properties. This article provides a structured comparison of their compositions, performance, and applications, empowering […]

Is FKM the Same as Viton? 1. Introduction The terms FKM (Fluorocarbon Rubber) and Viton® are often used interchangeably in industrial and automotive contexts, particularly when discussing high-performance sealing materials. However, this raises a critical question: Are FKM and Viton truly the same material?This article clarifies the relationship between these terms, explores their chemical properties, […]