This discussion about the applications and advantages of biodegradable hydraulic oil requires the reader to have a basic understanding of hydraulic fluids and machinery. It might also be helpful to know exactly what it means for a substance to be biodegradable. Let's consider these things one at a time, and then see how well they work together for commercial, agricultural and industrial applications.
Hydraulic systems make use of a fluid for transmitting force from one part of the system to another. This arrangement's efficiency is largely dependent on the fluid's compressibility. This is largely why most of these systems make use of extremely incompressible oils that multiply the force as it moves through the fluid to the other side.
The practical applicants are innumerable and quite common, such as transmissions, brakes and power steering in vehicles. Backhoes, garbage vehicles and dump trucks that do a lot of heavy lifting are entirely powered by hydraulics. The technology used in aircraft flight control system is also heavily dependent on hydraulics, and so are lifts and a huge number of heavy industrial machines.
It's not just about power transfer either. These fluids can and are used for multiple purposes. For instance, they are capable of transferring heat and can act as a conducting medium. The fluid pressure acts as a sealing medium to prevent leakage of gases and liquids into the surroundings. At the same time, the fluid provides lubrication by reducing friction between moving parts that come into contact with each other, and extracts the heat generated in this process.
As for biodegradability, it is the process involving sunlight, water and microorganisms that breaks up substances so that they can be assimilated back into nature. For instance, a dead plant virtually disappears inside of a month, consumed and broken up into Co2 and other natural elements found in the air, soil and water. In the same way, plant-based biodegradable hydraulic oil that gets spilled and left outside quickly biodegrades back into nature.
Regardless of the application, leaked hydraulic fluids that quickly biodegrade back into nature are obviously a good thing. But it is highly desired in certain situations such as machinery used for agriculture. Combines, tractors and pumps that make use of fluids cannot afford to leak toxic oils into the soil or water because it would ultimately end up in the feedstock and produce, creating health risks for both farm animals and humans.
There are two basic categorizations for fluids that lay claim to biodegradability. They can either be inherently or readily biodegradable. The latter term implies that 60-100 percent of the substance will degrade within 28 days. The inherently biodegradable type can only promise 20-60 percent of biodegradation within the same period.
The simplest way to get hold of an highly efficient and environment-friendly biodegradable hydraulic oil is to look for standards compliance. ISO standards 32, 46 and 68 all point towards fluids that have a good oil grade or viscosity. As far as biodegradability is concerned, the standards to look for are ASTM-D-6046 or ASTM-D-6006.
Hydraulic systems make use of a fluid for transmitting force from one part of the system to another. This arrangement's efficiency is largely dependent on the fluid's compressibility. This is largely why most of these systems make use of extremely incompressible oils that multiply the force as it moves through the fluid to the other side.
The practical applicants are innumerable and quite common, such as transmissions, brakes and power steering in vehicles. Backhoes, garbage vehicles and dump trucks that do a lot of heavy lifting are entirely powered by hydraulics. The technology used in aircraft flight control system is also heavily dependent on hydraulics, and so are lifts and a huge number of heavy industrial machines.
It's not just about power transfer either. These fluids can and are used for multiple purposes. For instance, they are capable of transferring heat and can act as a conducting medium. The fluid pressure acts as a sealing medium to prevent leakage of gases and liquids into the surroundings. At the same time, the fluid provides lubrication by reducing friction between moving parts that come into contact with each other, and extracts the heat generated in this process.
As for biodegradability, it is the process involving sunlight, water and microorganisms that breaks up substances so that they can be assimilated back into nature. For instance, a dead plant virtually disappears inside of a month, consumed and broken up into Co2 and other natural elements found in the air, soil and water. In the same way, plant-based biodegradable hydraulic oil that gets spilled and left outside quickly biodegrades back into nature.
Regardless of the application, leaked hydraulic fluids that quickly biodegrade back into nature are obviously a good thing. But it is highly desired in certain situations such as machinery used for agriculture. Combines, tractors and pumps that make use of fluids cannot afford to leak toxic oils into the soil or water because it would ultimately end up in the feedstock and produce, creating health risks for both farm animals and humans.
There are two basic categorizations for fluids that lay claim to biodegradability. They can either be inherently or readily biodegradable. The latter term implies that 60-100 percent of the substance will degrade within 28 days. The inherently biodegradable type can only promise 20-60 percent of biodegradation within the same period.
The simplest way to get hold of an highly efficient and environment-friendly biodegradable hydraulic oil is to look for standards compliance. ISO standards 32, 46 and 68 all point towards fluids that have a good oil grade or viscosity. As far as biodegradability is concerned, the standards to look for are ASTM-D-6046 or ASTM-D-6006.
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