

The materials used in manufacturing hydraulic seals are also vital to their performance. Common materials include rubber compounds, polyurethane, and PTFE (Polytetrafluoroethylene). Each material offers different advantages and is selected based on the operating environment. For example, PTFE seals are highly resistant to chemicals and extreme temperatures, making them ideal for demanding applications.
There are primarily three types of shingles used in residential roofing asphalt, wood, and architectural (or laminate) shingles
. Each type has its own price point and longevity.