Hebei Hankai hub rubber seal


The 40x55x8 mm oil seal finds applications across various industries. In automotive systems, it is commonly used in engines and transmissions to contain lubricants and hydraulic fluids. This prevents oil leaks that could lead to inefficient operation or costly damages. Additionally, these seals are pivotal in construction machinery, agricultural equipment, and even household appliances like washing machines. In each of these applications, the oil seal helps maintain the integrity of the lubrication system, thereby enhancing efficiency and extending the life of the machine.
40x55x8 oil seal



Amino acids are the building blocks of proteins, and their derivatives play a pivotal role in metabolic pathways. d,l-α-Ketoisoleucine is particularly relevant in the context of branched-chain amino acids (BCAAs), which are essential for muscle protein synthesis and energy production. The presence of the keto group in its structure allows it to participate in the transamination process, where it can be converted into other amino acids or energy substrates, particularly during periods of fasting or intense exercise.
d,l-α-ketoisoleucine calcium
