Use this chart to compare the specifications on our diffusion pump fluids below.
 

Product	Vapor Pressure @ 25ºC (torr)	Boiling Point @ .01 torr (ºC)	Viscosity @40ºC (cSt)	Viscosity @100ºC (cSt)	Pour Point (ºC)	Flash Point (ºC)	Fire Point (ºC)	Density @ 25ºC (g/mL)	Reclaimable?
Invoil	2x10-6	126	27	3.9	-52	196	229	0.98	Yes
Invoil S	1x10-6	141	12	3	-56	209	247	0.91	Yes
Invoil 20	3x10-6	127	58	8.5	-10	224	259	0.86	Yes
Invoil 30	5x10-6	127	58	8.5	-10	241	271	0.86	Yes
Invoil 37	1.6x10-7	137	25	4.1	-28	225	None	1.17	No
Invoil 40	1x10-5	126	58	8.5	-9	243	261	0.86	No
Invoil 44	3x10-6	126	35	5.6	-10	201	244	0.86	Yes
Invoil 46	<10-8	129	65	9.0	-20	260	None	1.90	Yes
Invoil 702	3.3x10-6	190	26.8	6.2	<0	193	None	1.07	Yes
Invoil 704	2x10-8	220	24.2	6.2	<-9	221	None	1.07	Yes
Invoil 705	2.4x10-9	250	66	9.8	<0	243	None	1.09	Yes
Invoil 940	2x10-8	221	24.2	6.2	<-9	221	None	1.07	Yes
Santovac 5	4x10-10	200	307	15.4	4	288	349	1.20	Yes
Santovac 5P Ultra	4x10-10	200	307	15.4	4	288	349	1.20	Yes
Fomblin Y18/8	*2x10-8	N/A	*190	N/A	-42	None	None	*1.89	Yes
Fomblin Y25/9	*2x10-9	N/A	*285	N/A	-35	None	None	*1.89	Yes
Fomblin Y40/11	6x10-12	N/A	*474	N/A	-32	None	None	*1.91	Yes
Fomblin Y140/13	5x10-13	N/A	*508	N/A	-23	None	None	*1.92	Yes

* @ 20^oC