Hebei Hankai rear hub oil seal
In addition to protecting against external contaminants, dust wiper seals also help retain lubrication within the system. By preventing dust and dirt from entering the system, these seals help reduce friction between moving parts, which can prolong the life of the equipment and reduce maintenance costs. Proper lubrication is essential for the smooth operation of hydraulic cylinders, pneumatic systems, and other machinery, and dust wiper seals play a vital role in ensuring that lubricants stay where they are needed most.
dust wiper seal

1. Food Industry One of the primary uses of sodium metabisulfite is as a food preservative. It prevents browning in fruits and vegetables and inhibits the growth of bacteria, thus extending the shelf life of food products. In China, it is particularly popular in the dried fruit and wine industries. It serves as a sulfiting agent to maintain the color and flavor of products.
sodium metabisulfite china
