HP-P2842 (Tetraphenyltetramethyltrisiloxane, CAS: 3982-82-9 DC704 Diffusion Pump Oil 274)

Ultra-High Purity
– Precision-engineered with 99.9% purity for critical vacuum applications, ensuring minimal outgassing and maximum performance stability.
Superior Thermal Stability
– Withstands extreme temperatures (-30°C to 250°C), ideal for high-vacuum systems, semiconductor manufacturing, and analytical instrumentation.
Low Vapor Pressure
– Optimized for diffusion pumps, reducing backstreaming and extending equipment lifespan in industrial and laboratory settings.
Advanced Molecular Structure
– Tetraphenyltetramethyltrisiloxane formulation delivers unmatched lubricity and chemical inertness, compatible with metals and elastomers.
Global Bulk Supply Advantage
– Direct factory sourcing guarantees the lowest wholesale prices for large-volume orders, with fast worldwide shipping.
Trusted Industry Standard
– CAS 3982-82-9 certified, widely adopted in aerospace, R&D, and electronics for reliable vacuum sealing and heat transfer.