Particle Size Distribution of Aerosol (PAO-4) Generated from a Thermal Condensation Generator (5C)

ATI-5C Thermal Condensation Aerosol Generator using PAO-4 (4 cSt polyalphaolefin)
Operating at standard set up parameters of 408° C (765° F) with a 50 psig inert gas supply

	Number Particle Size	Surface Particle Size	Mass Particle Size	Volume Particle Size
Median (nm)	221	282	373	373
Mean (nm)	237	364	488	488
Geo. Mean (nm)	219	317	421	421
Mode (nm)	225	269	279	279
Geo. St. Dev.	1.50	1.65	1.73	1.73

*The ATI-5C aerosol distribution listed above is characteristic of the operating conditions and settings present at the time of testing. Particle size distributions generated during field usage will change  depending upon the ambient temperature, humidity and equipment settings in use.