JIS R 1705 (Test for Antifungal Activity of Photocatalysts)
This is a method for anti-fungal testing of anti-fungal treated products containing photocatalysts. It is applicable to flat materials.
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basic information
- Necessary information for conducting the test To provide a smooth estimate, it would be helpful to receive the following information: - Number of types of specimens - Whether there are preparations for unprocessed test pieces - Required deliverables* (if there are any besides the Japanese report) - Test microorganism species (if you wish to conduct the test with a species different from the specified one) - Illumination intensity and exposure time for light irradiation (refer to the test method) *Unless there are specific requests, the report will consist only of a Japanese report (including test methods, test results (results of determining test validity conditions, viable cell counts after culturing, antifungal activity values), without images).
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Delivery Time
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Applications/Examples of results
【Testing Method】 Inoculate the test specimens (three photocatalytic antifungal-treated specimens and three untreated specimens) with the test spore solution, cover them with a film, and then incubate for 24 hours at 25±5°C under light exposure conditions or in the dark. After incubation, wash out the specimens and measure the viable cell count. * Light exposure will be conducted using a UV irradiation device that has been pre-lit for at least 15 minutes, at the illuminance specified by the client (with UV radiation intensity of less than 0.8 mW/cm²). * The irradiation time can be shortened considering the actual conditions under which the product will be used.
Company information
At our center, we not only conduct tests as specified by JIS and other regulations, but we also propose testing methods that suit the purpose of the tests. We capture the entire problem for problem-solving and provide practical advice.
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