Invoil 40

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Invoil 40 is a specially developed diffusion pump fluid which has been designed to handle the high temperatures and gas loads inherent in metallurgical applications.   This fluid is doubly distilled from straight petroleum oils and is modified for high temperature use with a strong antioxidant.
 

Specifications
Vapor Pressure @ 25º C:	1x10-5 torr
Boiling Point @ .01 torr:	126ºC (259ºF)
Viscosity @ 40ºC:	58 cSt (269 SUS)
Viscosity @ 100ºC:	8.5 cSt (54.1 SUS)
Pour Point:	-9ºC (16ºF)
Flash Point:	243ºC (470ºF)
Fire Point:	261ºC (502ºF)
Density:	0.86 g/mL

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