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Technical Index of Silicone Diffusion Pump Oil IOTA 705

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Chemical composition: Pentaphenyl trimethyl trisiloxane

Ultimate Vacuum, torr(untrapped): 5x(10-9~10-10)

Saturated Vapor Pressure, torr: 5x10-10

Specific Gravity: 1.090 ~ 1.100

Viscosity (25°C), cSt: 170~175

Viscosity (40°C), cSt: 61~64

Flash Point °C: ≥243

Refractive Index 25°C: 1.5765~1.5785

Congealing Point °C: ≤-14 ~ -18

Molecular Description: 546
Silicone Diffusion Pump Oil IOTA 705-IOTA (phenylsilicone.com)

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