Provided are methods for testing aerosol material compatibility of various samples to disinfectants, decontaminates, and other such materials that are used as aerosols. A test is performed in a controlled environment, such as an aerosol chamber, using a specific set of test parameters representative
Provided are methods for testing aerosol material compatibility of various samples to disinfectants, decontaminates, and other such materials that are used as aerosols. A test is performed in a controlled environment, such as an aerosol chamber, using a specific set of test parameters representative of actual use of tested materials, such as dispensing parameters and exposure parameters. During the test, a test surface of the sample is exposed to an aerosol mist. Other surfaces may be protected. After exposure to the aerosol mist, the sample may be allowed to sit for a period of time. The sample is later cleaned and tested to determine effects of various materials in the mist on the sample. In some embodiments, some or all operations may be repeated for the same sample or different samples. The test parameters may be varied to determine compatibility limits.
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1. A method for testing aerosol material compatibility, the method comprising: dispensing a first aerosol mist onto a test surface of a first sample using a first set of test parameters, wherein the first aerosol mist comprises at least one of a first disinfectant or a first decontaminant,wherein th
1. A method for testing aerosol material compatibility, the method comprising: dispensing a first aerosol mist onto a test surface of a first sample using a first set of test parameters, wherein the first aerosol mist comprises at least one of a first disinfectant or a first decontaminant,wherein the first set of test parameters comprises a first period of time defining exposure duration of the test surface to the at least one of the first disinfectant or the first decontaminant provided in the first aerosol mist,wherein the first set of test parameters further comprises a parameter selected from the group consisting of spay duration of the first disinfectant or the first decontaminant, a spray pattern of the at least one of the first disinfectant or the first decontaminant, a droplet size of the first aerosol mist formed by the at least one of the first disinfectant or the first decontaminant, a dispensed volume of the at least one of the first disinfectant or the first decontaminant, a viscosity of the at least one of the first disinfectant or the first decontaminant, a temperature of the test surface of the first sample, and a temperature of the at least one of the first disinfectant or the first decontaminant, andwherein dispensing the first aerosol mist forms a first deposit of the at least one of the first disinfectant or the first decontaminant on the test surface of the first sample;removing the first deposit from the test surface of the first sample;testing the first sample for one or more properties to determine effect of aerosol exposure onto the first sample; andmonitoring atomization and density of the first aerosol mist using one or more fog collectors. 2. The method of claim 1, wherein the one or more properties are selected from the group consisting of weight change, hydrogen embrittlement, cadmium removal, tensile strength, hardness, stress crazing, hardness, elasticity, sealant shear strength, and voltage withstand. 3. The method of claim 1, further comprising determining the first period of time, wherein the first period of time is determined based on composition of the at least one of the first disinfectant or the first decontaminant provided in the first aerosol mist. 4. The method of claim 1, wherein dispensing the first aerosol mist onto the test surface of the first sample is performed using multiple spray nozzles and wherein all of the multiple spray nozzles have same orientation relative to the test surface of the first sample. 5. The method of claim 1, further comprising, prior to testing the first sample for the one or more properties, dispensing a second aerosol mist onto the test surface of the first sample using a second set of test parameters, wherein the second aerosol mist comprises at least one of a second disinfectant or a second decontaminant. 6. The method of claim 5, wherein the second aerosol mist is dispensed without prior removing the first deposit of the at least one of the first disinfectant or the first decontaminant from the test surface of the first sample. 7. The method of claim 5, wherein the second aerosol mist has a different composition than the first aerosol mist. 8. The method of claim 5, wherein the second set of test parameters is different from the first set of test parameters. 9. The method of claim 1, further comprising dispensing a second aerosol mist onto a test surface of a second sample using a second set of test parameters, wherein dispensing the second aerosol mist forms a second deposit of at least one of a second disinfectant or a second decontaminant on the test surface of the second sample;removing the second deposit from the test surface of the second sample; andafter removing the second deposit, testing the second sample for the one or more properties to determine effect of aerosol exposure onto the second sample. 10. The method of claim 9, wherein the second set of test parameters varies from the first set of test parameters. 11. The method of claim 1, wherein the at least one of the first disinfectant or the first decontaminant comprises an active ingredient selected from the group consisting of hydrogen peroxide (H2O2), quaternary ammonium, parachlorometaxylenol (also known as 4-chloro-3,5-dimethylphenol, ClC6H2(CH3)2OH), acetic acid (C2H4O2), peracetic acid (C2H4O3), and ethanol (C2H5OH). 12. The method of claim 11, wherein the at least one of the first disinfectant or the first decontaminant comprises a solvent selected from the group consisting of water and ethanol. 13. The method of claim 12, wherein a concentration of the active ingredient in the at least one of the first disinfectant or the first decontaminant is between about 0.1% and 10% by weight. 14. The method of claim 1, wherein the first aerosol mist has a droplet size of between about 0.5 micrometers and 20 micrometers. 15. A method for testing aerosol material compatibility, the method comprising: dispensing a first aerosol mist onto a test surface of a first sample using a first set of test parameters, wherein the first aerosol mist comprises at least one of a first disinfectant or a first decontaminant,wherein the first set of test parameters comprises a first period of time defining exposure duration of the test surface to the at least one of the first disinfectant or the first decontaminant provided in the first aerosol mist,wherein the first set of test parameters further comprises a parameter selected from the group consisting of spay duration of the first disinfectant or the first decontaminant, a spray pattern of the at least one of the first disinfectant or the first decontaminant, a droplet size of the first aerosol mist formed by the at least one of the first disinfectant or the first decontaminant, a dispensed volume of the at least one of the first disinfectant or the first decontaminant, a viscosity of the at least one of the first disinfectant or the first decontaminant, a temperature of the test surface of the first sample, and a temperature of the at least one of the first disinfectant or the first decontaminant, andwherein dispensing the first aerosol mist forms a first deposit of the at least one of the first disinfectant or the first decontaminant on the test surface of the first sample;removing the first deposit from the test surface of the first sample;testing the first sample for one or more properties to determine effect of aerosol exposure onto the first sample;dispensing a second aerosol mist onto a test surface of a second sample using a second set of test parameters, wherein dispensing the second aerosol mist forms a second deposit of at least one of a second disinfectant or a second decontaminant on the test surface of the second sample;removing the second deposit from the test surface of the second sample;after removing the second deposit, testing the second sample for the one or more properties to determine effect of aerosol exposure onto the second sample; anddetermining the second set of test parameters, wherein the second set of test parameters is determined based the effect of aerosol exposure onto the first sample using the first set of test parameters. 16. The method of claim 1, further comprising cleaning the test surface of the first sample prior to dispensing the first aerosol mist onto the test surface of the first sample. 17. The method of claim 1, further comprising applying a barrier onto a portion adjacent to the test surface of the first sample. 18. The method of claim 1, wherein the first sample is maintained at a temperature ranging from about 65° F. to about 75° F. during dispensing of the first aerosol mist onto the test surface of the first sample. 19. The method of claim 15, further comprising monitoring atomization and density of the first aerosol mist using one or more fog collectors. 20. The method of claim 1, wherein the first sample is an interior component of an aircraft.
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