Silico® PM901 Phenyl-Modified Polymethylsiloxane
Silico® PM901 (CAS 9005-12-3) is a phenyl-modified silicone fluid with great thermal stability and low-temperature flexibility. Ideal for coatings, sealants, personal care, and electronics, it enhances solubility, UV resistance, and durability. Perfect for demanding applications requiring long-term stability.
Product Introduction:
Silico® PM901 (CAS 9005-12-3) is a phenyl-modified polymethylsiloxane that offers excellent thermal stability, enhanced compatibility with organic resins, and superior flexibility at low temperatures. This product is a transparent, non-volatile silicone fluid used in coatings, sealants, personal care, and high-performance electronics.
The incorporation of phenyl groups improves solubility in organic systems and enhances film-forming ability, making it ideal for applications requiring long-term durability, UV resistance, and thermal oxidation stability. It also performs well as a conditioning agent and plastic additive in demanding environments.
Technical Specifications:
| Property | PM901-1000 | PM901-350 |
|---|---|---|
| Appearance | Colorless to light yellow transparent fluid | Colorless to light yellow transparent fluid |
| Viscosity @25°C (mPa·s) | 1000 ± 100 | 350 ± 30 |
| Refractive Index @25°C | 1.460 – 1.480 | 1.460 – 1.480 |
| Phenyl Content (mol%) | 8 – 15 | 8 – 15 |
| Volatile Content (150°C, 3h) (%) | ≤ 1.0 | ≤ 1.0 |
| Thermal Stability | ≥ 250°C | ≥ 250°C |
| Solubility | Compatible with organic resins and solvents | Compatible with organic resins and solvents |
| CAS No. | 9005-12-3 | 9005-12-3 |
Applications
High-performance coatings and sealants
UV- and heat-resistant formulations
Electronic encapsulants and conformal coatings
Cosmetic emulsions and skin-conditioning agents
Additives for plastics and elastomers
Packaging and Storage
- Store in original sealed containers in a dry, cool place. Avoid exposure to strong acids or bases. Shelf life is 12 months from the date of manufacture.
All technical data provided is based on current knowledge and experience. Users must test product suitability for intended applications.
No warranties are expressed or implied. Silico® assumes no liability for incidental or consequential damages.
Jessica G.
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