Condition the test specimens for a mini mum of 4 hr at 2 1 1 c 70 2f and 65 2% rh prior to testing. However, the staining effect produced by five typical hand or home launderings cannot always be predicted by the 45 min test. Pile floor coverings standard by american association of textile chemists and colorists, 20. Impact penetration aatcc 42 aatcc 42 measures the resistance of fabrics to the liquid penetration of water by impact water impact sep 03, 2019 aatcc test method 147 pdf category, microbiology laboratory. Keep up with the latest news, innovations, and testing that affects you as a textile professional. It measures the resistance of fabrics to the penetration of water by impact, and thus can be used to predict the probable rain penetration resistance of fabrics. The right to download an electronic file from this aatcc technical manual for storage on one computer for purposes of viewing, andor printing one copy of any aatcc test method for individual use for one year. Aatcc m, rules of procedure for aatcc test method and technology committees. Sample swatches were stacked and placed into sterile containers. Colorfastness to crocking university of northern iowa. Aatcc test method textile testing products,professional in textile. Pdf a modified aatcc 301993 method to test fungicide.
Aatcc 147 is a qualitative antimicrobial test used to detect bacteriostatic activity on fabric and textile materials. A sample fabric is fastened to the crock meter and then rubbed against a white test cloth. Launderometer aatcc test method 611996 colorfastness. After incubation, a clear area of interrupted growth underneath and along the sides of the test material indicates antibacterial activity of the specimen. Request pdf antimicrobial activity assessment of textiles. Depending on the study sponsors testing objectives and products end goals, microchem laboratory can modify the test method to better fit your testing objectives, as mentioned in the method. Parallel streak method standard by american association of textile chemists and colorists, 2011. Method, the agar surface is inoculated making it easier to distinguish between the test. Aatcc 147 antimicrobial testing lab accugen laboratories. American association of textile chemists and colorists. If you want to continue receiving aatcc news, events, and information notices, resubscribe and optin here. Aatcc m12, aatcc style guide for writing test methods.
Aatcc 17520 engineer technical aami, asme din standards. Launderometer aatcc test method 611996 colorfastness to. Aatcc 762000 electrical surface resistivity of fabrics covers test methods for the measurement of surface resistivity of various woven fabrics. Astm e2149 a standard test method for determining the. This test method measures the resistance of a fabric to the penetration of water under hydrostatic pressure.
The test microorganism is prepared, usually by growth in a liquid culture medium. E292215 standard guide for the use of standard test methods. Colorfastness is the property of a dye or print that enables it to retain its depth and shade through the wear life of a product. The rules of procedure for aatcc test method and technology committees page 426 is the. Standard tests follow the 5streak protocol using all test micro. Aatcc method 100, antibacterial finishes on textile materials, assessment of, is a quantitative procedure which is adequately sensitive but cumbersome and time consuming for routine quality control and screening tests. Visionlite materialscalc also enables the user to import data and perform calculations on transmission spectra that were acquired by other programs in vision software family. The test measures the resistance of fabrics to the penetration of water by impact, and thus can be used to predict the probable resistance of fabrics to rain penetration. Visual assessment descriptive terms and terminology. Textile exam microscopes for aatcc 20 and aatcc 20a methods. Aatcc 100 assessment of antibacterial finishes on textile. Contact times are selected so that the test material would be effective in significantly reducing microbial counts during usage.
Aatcc m9, a summary of astm methods for interlaboratory testing. E2149a standard test method for determining the antimicrobial activity of antimicrobial. Antimicrobial parallel streak method aatcc 147 a zone of inhibition occurs as a result of the diffusion of an antimicrobial agent from the specimen. The method is not quantitative, and therfore only provides qualitative data. Aatcc crockmeter method determines the amount of colour transferred from the surface of a coloured textile material to another surface by rubbing. Test microorganisms are used at standardized concentrations of fresh cultures. A crock test is used to determine the amount of color that may be transferred from a sample fabric to another fabric by rubbing. Challenge microorganisms are used from fresh cultures. Aatcc tm1472011 2016e, test method for antibacterial activity of. Liquid moisture management properties of textile fabrics. Brief descriptions of test methods and source links astm. Aatcc test method 174, part ii mg105 test optionsvariations. These safety precautions are for information purposes only. The method is not suitable for test substances with technologies that are nondiffusable.
The aatcc 100 test method is the most commonly chosen test and has become the industry standard for antimicrobial fabric performance in the united states. The aatcc style guide for writing test methods page 419 is the defining document used by research committees in writing these methods. This test is performed with treated and nontreated samples of the test material. It is the responsibility of test method users to choose the minimum or maximum measurement value that is acceptable for the product being tested. Includes all current aatcc test methods and evaluation procedures. Aatcc test method 611996 colorfastness to laundering, home and commercial. A modified aatcc 301993 method to test fungicide treated fabrics against dermatophytes. It is applicable to all types of fabrics, including those treated with a water resistant or water repellent finish. This test evaluates colorfastness and staining potential of fabrics under accelerated wash condition that simulate five home washings. This method is useful for obtaining a rough estimate of activity by the size of the zone of inhibition. The textile examination microscope shown at left was created to meet all standards required by method aatcc 20 and aatcc 20a.
Aatcc tm147, antibacterial activity of textile materials. This is a 24 hour quantitative brothbased assay for the evaluation of the degree of antibacterial activity of finishes on textile materials. Water resistance depends on the repellency of the fibers and yarns, as well as the fabric construction. Free 2019 special issue of aatcc journal of research. Staining is a function of the ratio of colored to undyed fabrics, fiber content of fabrics in the wash load and other enduse conditions which are not always predictable. Aatcc test method 147 pdf category, microbiology laboratory. Throughout the years, commercial laundering procedures have changed and commercial cleaning today involves many. Aatcc 147 is also used for testing antibacterial, bactericidal, bacteriostatic activity and has been proven effective at providing evidence of antibacterial activity against. Below, you will find a summary of the aatcc 100 test method, along with some of its strengths and weaknesses.
Aatcc test method 20a astm d276 identifying characteristics of fibers absorbance of ir radiation appearance crosssectional view longitudinal view reaction to flame birefringence density melting point solubility staining crimp crimp frequency. Five separate methods test different home washing conditions. I am trying to validate aatcc 147 but i get different results everytime i run the test, sometimes i get growth under the fabric sample with samples that have shown a halo in previous runs. Aatcc 1472011 engineer technical aami, asme din standards. It was tested 3 qualitative methods aatcc 147, iso 20645 and jis l.
In the parallel streak method, the agar surface is inoculated making it easier to distinguish between the test organism and contaminant organisms which may be present on the unsterilized. American association of textile chemists and colorists legally binding document. Aatcc 1472011 free download asme icc csa astm codes. Brief descriptions of test methods and source links astm 3512. Aatcc 352000 technical standards edocuments online. Per the method, two representative microorganisms are specified, s. Therefore, when the intent is to demonstrate bacteriostatic activity by the diffusion of the antibacterial agent through agar, method 147 fulfills this need. The test method may be applicable to the evaluation of fabrics in garments or textile products as they. Aatcc test method 174, part iii mg106 test optionsvariations.
Results measurements were made on several fabric swatches or portions of intact articles of clothing. It is applicable to textiles made from all fibers in the form of yarn or fabric whether dyed, printed or otherwise colored. The test method determines antibacterial activity of diffusable antimicrobial agents on treated textile materials. The method does not include a passfail criterion for the calculated levels of antimicrobial activity observed in test samples. Kct3142m or kct3142cd astm annual book of textile standards. Parallel streak method aatcc 147 is a qualitative test used to detect bacteriostatic activity on textile materials. When this test method was originally developed, various options of this method were intended to evaluate the color change and staining by five home or commercial launderings, on an accelerated basis.
Antibacterial activity assessment of textile materials. In accordance with aatcc 100 test procedure, 1 ml of test organism suspension at about,000 cfuml is inoculated to the test sample. The results obtained by this method may not be the same. The test methods in the aatcc technical manual are subject to revision at any time by. This test method is applicable for resistivity measurements generally above 10 7. Test method aatcc 20a is a quantitative fiber analysis test. The test method determines antibacterial activity of diffusable antimicrobial agents on. Qc sterility assurance microbiology antimicrobial testing. Aatcc 147 parallel streak methodvantibacterial activity. Hydrocarbon resistance test name of standards organization. Aatcc 42 water resistance is applicable to any textile fabric which may or may not have been given a waterresistant or waterrepellent finish. Aatcc 762000 electrical surface resistivity of fabrics.
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