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Antimicrobial Finish Test

Antimicrobial Finish Test

The antimicrobial finish test was developed primarily to determine the percent or log reduction of a target organism when exposed to an antimicrobial that was placed in or on a textile material.  The method can also be modified to include different materials, time points and test organisms.

Applicable Standards

  • AATCC Method 100

Test Options

Standard turn around times (TAT) are listed below. Ask an expert for a specific consultation on your product.

Code Test TAT (days) Request Quote
AME110 Antimicrobial Finishes: Protocol & Report AATCC Method 100 Add
AME115 Antimicrobial Finishes: Protocol & Report for AATCC Method 100 (w/ wetting) Add
AME120 Antimicrobial Finishes: Protocol & Report for JIS Z 2801 (film cover) 0 Add
AME130 Antimicrobial Finishes: Protocol & Report for ASTM E2149 (shake flask) 0 Add
AME210 Antimicrobial Finishes: Test & Materials Fee Add
AME310 Antimicrobial; Parallel Streak AATCC Method 147 Add
AME410 Antimicrobial Test on Coated Devices Add
AME110 - Antimicrobial Finishes: Protocol & Report AATCC Method 100
Standard TAT not available for this product
AME115 - Antimicrobial Finishes: Protocol & Report for AATCC Method 100 (w/ wetting)
Standard TAT not available for this product
AME120 - Antimicrobial Finishes: Protocol & Report for JIS Z 2801 (film cover)
0 days
AME130 - Antimicrobial Finishes: Protocol & Report for ASTM E2149 (shake flask)
0 days
AME210 - Antimicrobial Finishes: Test & Materials Fee
Standard TAT not available for this product
AME310 - Antimicrobial; Parallel Streak AATCC Method 147
Standard TAT not available for this product
AME410 - Antimicrobial Test on Coated Devices
Standard TAT not available for this product

Sample Specifications

AME120: 6 untreated and 3 treated samples per organism. Each sample must be 50 mm x 50 mm minimum.
AME130: 6 samples; each sample must be 2 x 2 inches swatches

Study Outline

For the Antimicrobial Finishes test procedure, test intervals are selected to characterize the time during use that the test material would be effective in significantly reducing microbial counts (generally 0, 24 and sometimes 48 hours). The test is performed with treated and non-treated swatches of the test material. The non-treated swatches serve as a positive control for the test.

A test sample is placed into a sterile container or petri dish and inoculated with 1.0 ml of the appropriate test organism suspension at approximately 106 colony-forming units (CFU)/ml. The sample is allowed to sit for the selected time and is then extracted in a neutralizer media which is diluted and plated accordingly. This is repeated for all test intervals using both the treated and non-treated material.

Organism recovery from the treated and non-treated material is then compared to determine the log reduction and percent reduction over time.

Finally, a neutralization study is completed for each of the test organisms and antimicrobial samples to demonstrate that the media, method and dilutions used was able to effectively neutralize the active antimicrobial to  support acceptable organism recovery.