275 Phenyl Methyl Silicone Fluid

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1. Synonyms:

• 1,1,3,5,5-Pentaphenyl-1,3,5-trimethylsiloxane / CAS No.: [3390-61-2]

• 275 Super high vacuum diffusion pump oil

• Phenylmethylsiloxane Oligomers

2. Structure:

3. Properties & Applications:

The thermal silicone fluids are described in chemical notation as aromatic siloxane because of the presence of phenyl group. High phenyl content fluids are utilized as heat-exchange fluids, dielectric coolant, impregnants for sintered metal bearing, and base oils for high temperature fluids. Low phenyl content fluids are utilized at over temperature than high phenylsilicones and find extended temperature service applications as lubricating oils for critical devices such as timers and system involving rubber,  plastic and aluminum mating surface.

Very low saturated vapor pressure , good heat resistivity and excellent anti-oxidizing property, used in high vac. Industry, high vac. Coating for electronics, particle accelerator, electronic microscope and display, etc.

4. Specifications:

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