Products Description
Silicone oil (high temperature)(CAS 63148-58-3)
Structure: Phenyl-modified polysiloxane structure.
Properties: Excellent thermal stability, wide-temperature adaptability and good electrical insulation performance.
Application: Suitable for high-temperature heat transfer, precision lubrication and special industrial fluid fields.
Products Specification
| Product name | Silicone oil (high temperature) |
| CAS NO | 63148-58-3 |
| ITEM NO | M653 |
| Appearance | Colorless to pale yellow, transparent, oily liquid |
| Viscosity | 25–2000 cSt (adjustable) |
| Density (25℃) | 1.00–1.11 g/cm³ |
| Refractive Index | 1.470–1.533 |
| Flash Point | ≥ 250℃ |
| Freezing Point | Low phenyl grade: ≤ −70℃ |
| Package | 100g/1kg/100kg etc. |
| Delivery | 5-8days |
| Storage | room temperature |
| MSDS/COA/TDS | Connect us |
|
Type |
Phenyl Content (mol%) |
Features |
|
Low-phenyl silicone oil |
5 ~ 20% |
Good low-temperature resistance, suitable for extremely cold environments |
|
Medium-phenyl silicone oil |
20 ~ 40% |
Excellent comprehensive performance, widely used in electronics and electrical industries |
|
High-phenyl silicone oil |
40 ~ 60% |
High temperature resistance, radiation resistance and high refractive index, suitable for optics, LED encapsulation, etc. |
Products Application
1. Electronics and Electrical: LED encapsulation, electronic potting compounds, cable insulating oils, and transformer oils.
2. Aerospace: Lubricants, hydraulic fluids, sealants, damping fluids, and protective coatings.
3. Optical Devices: Fillers for optical lenses, encapsulation materials for optical communications, and refractive index-matching fluids.
4. High-Temperature Lubrication: Lubrication for high-temperature bearings, automotive engines, textile dryers, and high-temperature fans.
5. Nuclear Industry: Radiation-resistant lubricants, seals, and coolants.
6. Cosmetics: Additives for high-end skincare products, providing a silky skin feel, luster, and moisturizing properties.

FAQ
Q1:Could the viscosity be customized?
Re: We offer various viscosity grades, and samples are available for testing.
Q2:What is methyl phenyl silicone oil?
Re:Methyl phenyl silicone oil is a phenyl-modified polysiloxane functional fluid that exhibits excellent thermal stability, electrical properties, and temperature adaptability.
Q3:What is the difference between methyl phenyl silicone oil and standard dimethyl silicone oil?
Re: Methyl phenyl silicone oil incorporates phenyl groups, which typically impart distinct characteristics-such as enhanced thermal stability, improved low-temperature performance, and a different refractive index-making it suitable for applications with specific temperature or performance requirements.
Q4: How should the product be stored?
Re: It is recommended to store the product in a sealed container within a cool, dry, and well-ventilated environment, ensuring it is protected from contamination and prolonged exposure to high temperatures.
Why Choose Zhengzhou Megma Chemical Co., Ltd.?
Quality at a Fair Price – High-quality chemicals delivered at reasonable prices.
Timely Delivery – Prompt order processing and shipment, with complete customs documentation tailored to each country's export policies.
Flexible & Secure Payment – Agile and reliable payment solutions you can trust.
Full Quality Commitment – Should any quality issue arise, we take full responsibility.
Market Insights – Price trend updates to keep you informed and ahead in sales.

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