Egradation, typically resulting from inadequate lubrication, excessive sealing force, thermal conditions degrading lubricant films, or contamination displacing lubricants from critical surface regions. Thermal degradation manifests as material hardening, embrittlement, loss of flexibility, cracking, and eventual complete disintegration when packing temperatures exceed material thermal... https://globalsealstech.com/product-category/oil-gas-seals/high-pressure-water-pump-seals/