Silicone Diffusion Pump Oil IOTA704, also known by synonyms such as 1,1,5,5-Tetraphenyl-1,3,3,5-tetramethyltrisiloxane or simply 704 silicone diffusion pump Fluid, is a specialized fluid engineered for high vacuum applications, boasting a remarkable capacity to achieve vacuum levels as low as 10-7 torr (untrapped). Its composition, exemplified by the chemical structure, ensures superior performance in demanding environments, making it an ideal choice for rugged applications.
Silicone Diffusion Pump Oil IOTA 704-IOTA (phenylsilicone.com) 
