When would I use NaCl versus DOP versus Paraffin oil?
Generally speaking, the U.S. manufacturers use DOP for most respirator cartridge testing. NaCl is also used for testing items such as single-use respirators. Paraffin oil can be used as a substitute for DOP testing. Many European standards call for testing with either paraffin oil or NaCl. NaCl is available on the Model 8130.