ATI offers the highest quality, industry-standard oil reagents for use in conjunction with oil aerosol generators. Our reagents are used for in situ leakage testing and production quality control efficiency testing of high-efficiency air filters. ATI oil aerosol reagent products are suitable for government, nuclear, and FDA-regulated testing applications.
PAO-4 Reagent
Four-centistoke PAO (Chemical Abstract System ID 6864 9-12-7) reagents offer a U.S. Food & Drug Administration-approved alternative to DOP in FDA-regulated filter leakage testing applications. PAO is approved by the U.S. Army Surgeon General and is used by the United States military as a substitute for DOP in their filter and mask testing processes.
Ondina X 420 (EMEA Only)
Ondina X 420 is the latest version of Ondina, manufactured by Shell. Its CAS (Chemical Abstract System) Number is 1262661-88-0. The earlier Ondina EL version was listed in ISO 14644-3:2005 as one of the typical substances used to generate test aerosols, and X 420 continues to be widely used for in-situ testing of HEPA filters.
| PRODUCT SPECIFICATIONS | ||
|---|---|---|
| PAO-4 | Ondina X 420 (EMEA) | |
| CAS # | 68037-01-4 or 68649-12-7 | 1262661-88-0 |
| Boiling Point | >316 ̊C (601 ̊F) | >280 ̊C (536 ̊F) |
| Relative Density | 0.819 @ 15.5 ̊C (60 ̊F) | 0.816 @ 15 ̊C (59 ̊F) |
| Vapor Pressure | <0.013 kPa @ 20 ̊C | <0.5 Pa @ 20 ̊C |
| Vapor Density | N/A | >1 |
| Solubility in Water | Insoluble | Insoluble |
| Appearance | Colorless liquid | Colorless liquid |
| Odor | N/A | Slight hydrocarbon |
| Melting Point / Freezing Point | < -20 ̊C (-4 ̊F) | N/A |
| pH | N/A | N/A |
| Flash Point | 222 ̊C (432 ̊F) | 225 ̊C (437 ̊F) |
| Method Used | Cleveland Open Cup | Cleveland Open Cup |
| Upper/Lower Flammability Limits | UEL: N/A; LEL: N/A | UEL: Typical 10% (V); LEL: Typical 1% (V) |
| Auto-Ignition Temp | 343 ̊C (649 ̊F) | > 320 ̊C (608 ̊F) |
| Available Sizes | 1-gallon and 5-gallon containers | 2-liter and 20-liter containers |