wiper gasket
Oil seals are generally constructed from materials that can withstand the specific chemical properties of the lubricant they are sealing. Common materials include rubber, silicone, and various elastomers. The design of an oil seal often incorporates a lip that rolls against a shaft or surface, creating a dynamic seal that can accommodate movement while maintaining its sealing capabilities.
dust seal vs oil seal

In addition to its superior feeding mechanism, a compound feed heavy-duty sewing machine is also equipped with a powerful motor. This allows the machine to sew through multiple layers of fabric, thick materials, and heavy-duty materials with ease. The high-speed motor ensures fast and efficient sewing, making it ideal for large projects or production sewing.
compound feed heavy duty sewing machine
