

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.
Food preservation is a timeless practice, and jars play a critical role in extending the life of various foods. With proper sealing, 400ml jars with lids are perfect for canning fruits, vegetables, and sauces. The airtight seal helps prevent spoilage, keeping food fresh for months. This is particularly important for those who prefer to harvest and store seasonal produce. Moreover, with the growing trend of sustainability and avoiding food waste, these jars allow individuals to buy in bulk and preserve extra food items, promoting both savings and resourcefulness.