Beyond heat and oil resistance, the skeleton oil seal offers: Dual-Lip Design: Secondary lips for dust and debris exclusion, extending equipment life. Chemical Resistance: FKM and ACM compounds withstand acids, alkalis, and ozone exposure. Customizable Dimensions: Tailored inner/outer diameters (5mm–500mm) to fit niche applications. https://www.chinarubberseal.com/products/oil-seal/