Phenyl silicone oil is an elite class of synthetic fluid where phenyl groups replace some of the methyl groups on the siloxane backbone, fundamentally altering its physical and chemical properties. This structural modification grants it superior thermal stability, allowing it to operate continuously at temperatures exceeding 250°C without oxidizing, thickening, or forming sludge. Conversely, specific low-phenyl variants maintain excellent fluidity at cryogenic temperatures as low as -70°C. This extraordinary thermal span, combined with exceptional resistance to radiation and oxidative degradation, makes it an irreplaceable heat transfer fluid, lubricant, and damping medium in aerospace, nuclear, and high-performance industrial applications.
In the realm of optics and personal care, phenyl silicone oil is revered for its unique optical and aesthetic properties. It possesses a high refractive index (typically between 1.425 and 1.533) and excellent light transmittance, making it ideal for optical coatings, lens coupling, and liquid light guides. In the cosmetics industry, its high refractive index imparts a brilliant, natural gloss to skincare and haircare products, while its low surface tension provides a silky, non-greasy feel. It also acts as an exceptional solvent and carrier for active ingredients, enhancing their stability and delivery to the skin without clogging pores, thereby revolutionizing high-end formulation chemistry.
The versatility of phenyl silicone oil extends deeply into the electrical and mechanical engineering sectors. Its outstanding dielectric strength and low dissipation factor make it an ideal insulating and damping fluid for high-voltage transformers, capacitors, and precision electronic instruments. In mechanical systems, its excellent lubricity and anti-wear properties reduce friction and extend the lifespan of moving parts under extreme loads. Furthermore, its chemical inertness and water-repellent nature provide reliable protection against corrosion and moisture ingress. By bridging the gap between extreme thermal performance, optical brilliance, and electrical insulation, phenyl silicone oil truly earns its title as a high-value, multi-functional liquid gold.
Thermal conductive silicone rubber, plz check
MY HTV 330 series 
