Product Overview: Focused on Single-Phenyl Composition

IOTA BJ510 is a methyl phenyl polysiloxane polymer, belonging to the single-phenyl component category of phenyl silicone oils. Compared to multi-phenyl variants, its composition is more concentrated, with performance centered on thermal stability, low volatility, and radiation resistance. This focus ensures predictable behavior in specific applications, avoiding performance fluctuations caused by complex formulations.

Performance Features: Inertness and Radiation Resistance

The product’s inherent inertness is a key advantage: it does not react with metals or damage seals, reducing maintenance costs in hydraulic systems, valves, and similar equipment. Its radiation resistance is exceptional, with a tolerance of 1.7×10⁸ rads, enabling long-term use in radiation-exposed environments such as nuclear power plants. The high compressibility—2.8% under 5000 psi and 7.95% under 20000 psi—makes it suitable for shock absorption and motion damping, including in hydraulic lightning arresters and buffers.

Thermal Performance: A Stable Heat Carrier

IOTA BJ510’s thermal conductivity remains relatively constant across a wide temperature range, allowing efficient heat transfer. This makes it a reliable high-temperature heat carrier for insulation, lubrication, damping, shock absorption, and dust prevention. Its specific heat at 100℃ is 0.405, enabling it to absorb or release heat during temperature changes, maintaining system stability. The flash point (≥274°C), fire point (＞343°C), and autoignition temperature (482°C) ensure safety in high-temperature settings, reducing fire risks.

Application Fields: From Industry to Specialized Environments

In industrial settings, IOTA BJ510 is used in hydraulic lightning arresters, buffers, and nuclear power plant hydraulic drive valves and instruments. Its antioxidant and temperature-resistant properties also make it suitable as a base oil for high-temperature lubricants and greases, or as a heat carrier in insulation, lubrication, damping, shock absorption, and dust prevention scenarios. The low volatility (2.5% volatile content after 4 hours at 250℃) ensures long-term performance, reducing the need for frequent replenishment and lowering operational costs.