Hengyi Technology

Quality problems of Silicone Oil

Silicone oil, also known as polydimethylsiloxane (PDMS), is a widely used industrial lubricant with numerous applications in various industries. It is a colorless, odorless, and inert liquid that is known for its high thermal stability, low surface tension, and excellent water repellency. However, despite its many beneficial properties, it is not without its fair share of quality problems.

Silicone oil

PartⅠ

When mixed with water. Emulsions are stable mixtures of two immiscible liquids, and in the case of silicone oil, it is often water. This emulsification can occur due to various reasons such as inadequate mixing, contamination with surfactants, or the presence of impurities in the silicone oil itself. The formation of emulsions reduces the effectiveness of silicone oil as a lubricant and can cause equipment to malfunction, leading to costly downtime and repairs.

PartⅡ

Low viscosity, which can lead to leakage in systems with high-pressure or high-temperature applications. It has a high compressibility ratio, which means that it can easily escape through small gaps and cracks under pressure. This can cause oil leaks, leading to equipment failure, contamination of products, and potential safety risks. To prevent such problems, special care must be taken during handling, storage, and transportation of silicone oil to avoid any leaks or spills.

PartⅢ

When exposed to high temperatures, air, or moisture, it can break down, resulting in decreased performance and potential health hazards. Oxidation can cause the formation of harmful by-products that can lead to skin irritation, respiratory problems, and environmental pollution. To prevent this, it must be stored in a cool and dry place, away from direct sunlight and air exposure.

PartⅣ

During the manufacturing process, it can come into contact with impurities such as metal particles, dust, or other foreign materials. If not adequately filtered out, these contaminants can affect the performance of silicone oil and cause problems such as oil thickening, reduced lubrication, and corrosion. To prevent contamination, manufacturers must ensure proper filtration and quality control measures during production.

PartⅤ

It is often used in industries such as pharmaceuticals, cosmetics, and food processing, where product purity is of utmost importance. Hence, another quality issue of silicone oil is its potential for carryover, which means that it can transfer onto other surfaces or products and contaminate them. It has a low surface tension, making it difficult to completely remove from surfaces, even after cleaning. This can result in product recalls and damage the reputation of companies using it in their production processes.

It has many beneficial properties that make it an ideal lubricant for various industries. However, its quality problems cannot be ignored, and proper care must be taken to mitigate them.

silicone oil 350cst 100cst

HENGYI is a leading producer of chemical raw material, with a reputation for high-quality products that meet international standards. Our company offers a variety of silicone oils grades, each designed for specific applications, such as lubrication, coating, and medical use.

Chemical parameters related to silicone oil:

Chemical formula and molecular weight: (R2SiO)n, where R is a hydrocarbon group.
Appearance: clear, colorless, and viscous liquid
Odor: neutral
Density: 0.97-1.07 g/cm^3
Viscosity: range from 20 to 100,000 centistokes (cs), depending on the molecular weight and temperature.
Flash Point: low flash point of 40-110°C
Boiling Point: around 300-350°C
Melting Point: no
Solubility in water: insoluble in water
Thermal stability: can withstand extreme temperatures
Chemical stability: has excellent resistance to oxidation and degradation by acids, bases, and other chemicals
pH: 7
Heat of combustion: low
Toxicity: non-toxic

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