high pressure lip seal
Shaft oil seals typically consist of a flexible sealing lip made from elastomeric materials such as rubber, polyurethane, or silicone, encased in a sturdy outer shell. The sealing lip makes contact with the rotating shaft, creating a barrier that effectively retains lubricants while blocking unwanted particles. The design may include additional features such as garter springs to maintain contact with the shaft and improve sealing effectiveness over time.
shaft oil seal

The environmental effects of shingle composition vary based on the materials used. Asphalt shingles, while affordable and functional, can pose challenges. They are petroleum-based, contributing to fossil fuel depletion, and their production involves significant energy consumption. Moreover, once they reach the end of their life cycle, asphalt shingles traditionally end up in landfills, where they take years to decompose and can release harmful chemicals into the environment.
composition shingles
