安徽艾约塔硅油有限公司
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In the realm of high-vacuum technology, Silicone Diffusion Pump Oil IOTA 704 represents a paradigm shift. Engineered for ultra-demanding applications, this fluid achieves pressures as low as 10⁻⁷ torr (untrapped), a feat unmatched by many competitors. Its secret lies in its tetramethyl tetraphenyl trisiloxane composition, a molecular architecture optimized for thermal and chemical resilience. This stability ensures that IOTA 704 resists decomposition, tarring, and carbonization, even when exposed to air at operating temperatures—a common challenge in industrial settings. The result? A pump fluid that maintains peak performance over extended cycles, slashing maintenance costs and downtime.
The technical specifications of IOTA 704 are a masterclass in precision engineering. With a specific gravity of 1.06–1.07 and a viscosity of 38±3 cSt at 25°C, it strikes a perfect balance between fluidity and lubricity, enabling rapid pump-down times without compromising efficiency. Its flash point of ≥210°C and congealing point of -35°C underscore its suitability for high-temperature and cold-weather operations, a critical factor for industries operating in harsh environments.
Moreover, its extrapolated vapor pressure of 2×10⁻⁸ torr at 25°C (77°F) guarantees minimal outgassing, a vital attribute for applications like mass spectrometry and semiconductor manufacturing, where purity is paramount. The molecular weight of 484 contributes to its low volatility, ensuring that IOTA 704 remains stable under prolonged use, a hallmark of its superior formulation.
The applications of IOTA 704 span a spectrum of industries, each benefiting from its unique properties. In the electronics sector, it is indispensable for vacuum systems in rectifier metallised films, capacitors, and light bulbs, where high-vacuum conditions enhance product lifespan and performance. The optical industry relies on it for anti-reflective coatings and mirror fabrication, leveraging its purity to achieve flawless surfaces.
Metallurgists turn to IOTA 704 for high-vacuum furnaces, where it facilitates thick-film deposition and refractory metal processing, critical for aerospace and defense applications. The plastics industry employs it for mirror and protective coatings, ensuring products meet stringent quality standards. Beyond these, IOTA 704 finds a home in accelerators, molecular beam epitaxy, and R&D facilities, where its reliability underpins groundbreaking research.
