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Dow Corning no longer offers DC-704 for sale. Midwest Tungsten has filled the gap by offering private label 704 chemically equivalent products in 250 cc bottles. MT-704 diffusion pump fluid is a single component fluid for high vacuums of 10E-6 to 10E-8 torr, untrapped or 10E-10 to 10E-11, trapped. It performs well in tough, rugged applications and offers quick pumpdown, even after exposure to air at operating temperatures, although this is not recommended. Replacement for and equivalent to Dow Corning DC-704. Sold as DS-704, KJLC 704, and Invoil 704 elsewhere.
Reliable and SafeThe oil is packaged in a safe and convenient gallon size to reduce the likelihood of spills or leaks during transport. It's crucial to carefully follow the instructions on the MSDS sheet and take proper safety measures when handling
Vacuum production Vaccum pump oil is EQUIVALENT to Dow Corning DC-704 diffusion pump oil for use in high vacuum production environments
Durability and Efficiency Ideal for challenging and demanding applications, with a quick pumpdown feature that efficiently removes gas molecules from the vacuum chamber. It remains the industry standard for various industrial processes such as brazing/soldering, E-Beam welding, and large-area coating, ensuring reliable and efficient performance.
"Formulation Diffusion pump oil is formulated with mixed phenylmethyl dimethyl cyclosiloxane (Tetramethyl tetraphenyl trisiloxane.) used only as a diffusion pumping oil. "
Enhanced Oil Durability The oil's exceptional resistance to hydrolysis and oxidation means it stays in top condition for longer periods, delivering consistent high performance and reducing the need for frequent maintenance.
