Treated Article

Zone of Inhibition Test for Antimicrobial Activity

A Zone of Inhibition Test, also called a Kirby-Bauer Test, is a qualitative method used clinically to measure antibiotic resistance and industrially to test the ability of solids and textiles to inhibit microbial growth. Researchers who develop antimicrobial textiles, surfaces, and liquids use this test as a quick and...

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JIS Z 2801 Test for Antimicrobial Activity of Plastics

Assessment of Antimicrobial Activity of Hard Non-Porous Surfaces The JIS Z 2801 method tests the ability of plastics, metals, ceramics and other antimicrobial surfaces to inhibit the growth of microorganisms or kill them. The procedure is very sensitive to antimicrobial activity and has a number of real world applications anywhere...

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Laundering Services for Antimicrobial Textiles

One way companies differentiate antimicrobial textiles is by increasing durability, or the number of wash cycles an antimicrobial fabric can withstand. Durability enhances consumer appeal and is an important consideration to buyers at large apparel companies. Textiles which retain antimicrobial efficacy after 25, or even 50 laundering cycles will...

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MIL-STD-810G Method 508.6 Fungal Resistance Test

The MIL-STD-810G are a series of laboratory standards designed by the United States military to test the endurance capabilities of materials based on the expected field conditions they will meet during their lifetimes. Method 508.6 is a material fungal resistance test developed to determine if the material components comprising the...

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EPA Test Method for the Continuous Reduction of Bacterial Contamination on Copper Alloy Surfaces

The EPA's "Test Method for the Continuous Reduction of Bacterial Contamination on Copper Alloy Surfaces" is designed to quantitatively test the ability of copper alloy surfaces to continuously reduce bacterial inoculums on these surfaces. It is a difficult test for most antimicrobial surfaces to pass. In order to obtain...

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EPA Test Method for the Residual Self-Sanitizing Activity of Copper Alloy Surfaces

The EPA's "Test Method for Residual Self-Sanitizing Activity of Copper Alloy Surfaces" is designed to quantitatively test the ability of copper alloy surfaces to kill 99.9% of the target microorganism for 24 hours, after multiple simulated wear cycles and re-inoculations. In order to obtain a residual self-sanitizer claim, an initial copper sufrace...

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Federal Standard 191A Method 5760

Federal Standard 191A constitutes a series of laboratory standards designed for the United States Military and Federal Government for the testing of textile materials against the standards set forth by Military and Federal specifications. Method 5760, titled "Mildew Resistance of Textile Materials; Mixed Culture Method," is specifically designed to...

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ISO 20743 – Assessment of Antibacterial Finished Products

The Assessment of Antibacterial Finished Products The International Standard (ISO) 20743 method, titled "Textiles - Determination of Antibacterial Activity of Antibacterial Finished Products", is designed to test the ability of fabrics that have been treated with antimicrobial agents to prevent microbial growth and to kill microorganisms, over an 18-24 hour...

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ISO 22196 Test for Antimicrobial Activity of Plastics

Measurement of Antibacterial Activity on Plastics Surfaces and Other Non-Porous Surfaces The ISO 22196 method is designed to quantitatively test the ability of plastics to inhibit the growth of microorganisms (Bacteriostatic) or kill them (Bactericidal), over a 24 hour period of contact. It is a relatively sensitive assay, meaning that it...

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ISO 27447 – Test for Antimicrobial Activity of Photocatalytic Materials

The ISO 27447 method, titled "Test Method for Antibacterial Activity of Semiconducting Photocatalytic Materials", determines the ability of photocatalytic materials to inhibit the growth of microorganisms or kill them. Both hard surfaces (non-porous) and textiles could contain a photocatalyst or have photocatalytic films and can be tested using this method by measuring the number...

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JIS L 1902 – Antimicrobial Fabric Test

The Japanese Industrial Standards (JIS) L 1902 method, titled "Testing Antibacterial Activity and Efficacy on Textile Products", is designed to test the ability of fabrics that have been treated with antimicrobial agents to prevent microbial growth and to kill microorganisms, over an 18 hour period. Within the official standard method, there...

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ASTM G21 Fungal Defacement Test

The ASTM G 21 method, titled "Standard Practice for Determining Resistance of Synthetic Polymeric Materials to Fungi" is designed to test the resistance of synthetic polymeric materials (molded materials, surface treated articles or similar objects) to fungal attack. It is a popular method, used by industry to evaluate the resistance...

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ASTM G29 Test for Resistance to Algae

The ASTM G29 test method evaluates an antimicrobial surface's ability to resist algal attack. Such testing is important because algae are ubiquitously found in and around bodies of water. Many of these aqueous environments are associated with human activities, such as swimming pools. Under the right conditions, algae can...

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EPA Copper Surfaces as Sanitizers Test

The EPA's "Test method for Efficacy of Copper Alloy Surfaces as a Sanitizer" is designed to quantitatively test the ability of copper and copper alloy surfaces to act as a sanitizer. Most importantly, this method serves as the technical basis for substantiation of so-called "health claims" for antimicrobial surfaces. In other...

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ASTM D3273 Fungal Resistance Test for Coated Surfaces

The ASTM D3273 method is meant to evaluate fungal defacement of coated interior surfaces in an accelerated manner. The ASTM D3273 test specifically aims to establish the relative resistance of paint films to the propagation of mold and mildew under optimum fungal growth conditions. Incubation occurs in a highly...

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ASTM D3274 Fungal Defacement Rating Method

The ASTM D3274 Method details a standardized rating system designed to evaluate the degree of fungal resistance of surface coatings (e.g. paint films). This method is used for tests such as the ASTM D3273. Ratings are based on the percentage of surface fungal coverage and qualitative descriptions. While this...

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ASTM E1428 “Pink Stain Test”

Some materials may become discolored or stained when microorganisms grow on them in the environment. The ASTM E1428 standard is used to evaluate the ability of synthetic polymeric materials containing antimicrobial agents to resist such staining, using the indicator staining organism Streptoverticullium reticulum. The ASTM E1428 method is straightforward and...

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ASTM E2149

The ASTM E2149 method, titled "Determining the Antimicrobial Activity of Immobilized Antimicrobial Agents Under Dynamic Contact Conditions" is a sensitive test, often used to measure the antimicrobial activity of non-leaching, irregularly shaped or hydrophobic surfaces. Put simply, it measures the antimicrobial activity of antimicrobial surfaces when they're shaken around in a...

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ASTM E2180 Test for Hydrophobic Antimicrobial Surfaces

The ASTM E2180 method is designed to quantitatively test the antimicrobial effectiveness of incorporated antimicrobial agent(s) in polymeric or hydrophobic materials. Bacterial inocula (which are aqueous solutions) may bead on hydrophobic test surfaces, creating a domed or nearly spherical shaped droplet, thereby reducing bacterial contact with the treated surface. This...

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ASTM G22 Resistance of Plastics to Bacteria

The ASTM G 22 test method, titled "Standard Practice for Determining Resistance of Plastics to Bacteria" is designed to test the resistance of synthetic polymeric materials (molded materials, surface treated articles or similar objects) to bacterial attack.The main component of synthetic polymeric materials, resin, is usually resistant to bacteria,...

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AATCC 100 – Antimicrobial Fabric Test

  Assessment of Antibacterial Finishes on TextilesAntimicrobial agents are useful textile additives and have become more and more common in today's products. They provide textiles with remarkable resistance to odors caused by microorganisms, often without detracting from the appearance or feel of the fabric. With the social rise of more active...

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AATCC 147 Assessment of Textile Materials: Parallel Streak Method

Measurement of Antibacterial Activity of Textile Materials Using the Parallel Streak Method The AATCC 147 method, commonly known as the Parallel Streak method, is designed to qualitatively evaluate the antibacterial activiry of diffusable antimicrobial agents on treated textile materials. In other words, it tests the ability of the treated textile to...

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AATCC 174 – Antimicrobial Activity Assessment of Carpets

Assessment of Antimicrobial Finishes on Carpet The American Association of Textile Chemists and Colorists (AATCC) 174 method, titled "Antimicrobial Activity Assessment of Carpets", is designed to test the antimicrobial activity of new carpet materials. Within the official standard method, there are 3 procedures – qualitative and quantitative assessments of the...

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AATCC 30 Antifungal Assessment and Mildew Resistance Test

The AATCC 30 method, titled "Antifungal Activity, Assessment on Textile Materials: Mildew and Rot Resistance of Textile Materials" is designed to determine how susceptible textile materials (cloth, gauze, or similar objects) are to mildew and fungal growth and evaluate the efficacy of the fungicides applied to the selected materials. The...

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