hydraulic oil seal

2. Durability They are designed to endure extreme conditions, including high temperatures and corrosive chemicals. The materials used in high pressure rotary shaft seals are often resistant to wear, ensuring a long operational life and reducing the need for frequent replacements.
high pressure rotary shaft seal

The use of synthetic antioxidants, like BHA (butylated hydroxyanisole) and BHT (butylated hydroxytoluene), has also been prevalent in the food industry. These compounds are effective in preventing rancidity in lipids and are often used in processed foods, snack items, and baked goods. However, the safety of synthetic antioxidants has been a topic of debate, with some studies suggesting that excessive consumption may lead to negative health effects. Consequently, the demand for natural alternatives is on the rise as consumers become more health-conscious and wary of chemical additives.
antioxidant preservative

In the late 20th century, concerns began to emerge about the potential health effects of consuming monosodium glutamate. A 1969 anecdotal report sparked significant alarm when individuals purportedly experienced a series of symptoms, commonly referred to as Chinese Restaurant Syndrome, after consuming foods high in E621. Symptoms such as headaches, flushing, and sweating led many to believe that the additive posed serious health risks.
e621 additive
