Hebei Hankai 35 47 7 oil seal
The design must be such that it balances the need for a tight seal with the amount of friction generated during operation. Excessive friction can lead to wear and heat buildup, while insufficient sealing can allow fluid leakage. Therefore, engineers carefully select materials and dimensions to ensure optimal performance.
rotary lip seal

In addition to their durability, combi oil seals are also designed to provide a tight and reliable seal. This is crucial for preventing the leakage of oil or other liquids from the machinery. A tight seal ensures that the machinery operates efficiently and minimizes the risk of damage or malfunction.
combi oil seal


HPMC viscosity tables categorize the polymer based on its viscosity in aqueous solutions, often measured at a specific concentration (commonly 2% w/v) and temperature (typically 20°C). The table includes grades of HPMC, such as low, medium, and high viscosity, with corresponding viscosity values. These grades allow formulators to select the appropriate type of HPMC for their specific needs.
hpmc viscosity table
