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Fungicidal & Yeasticidal Testing

Fungicidal/Yeasticidal testing guidelines specify laboratory test procedures to assess the efficacy of antifungal-coated test products or disinfectants. 

Fungi are ubiquitous, however, they tend to grow more quickly in moist or humid conditions. This rapid growth of fungi/yeast on any surface leads to unsightly discoloration, foul odor, accelerated structural damage, and can also result in serious  health risks. Hence, there is an increased demand for antifungal/anti-yeast agents that can prevent damages caused by fungal/yeast growth and thus preserve the aesthetic value and shelf life of the coated material. 

Similarly, antifungal treatments are done to fabric materials. Thus, preserving the original color of the fabric and preventing any foul odor due to fungal/yeast growth.

Till date, fungicidal/yeasticidal products available in the market are predominantly in the form of paints, coatings, and disinfectants. Such speciality products are formulated using active fungicidal/yeasticidal agents. 

Introduction to Fungicidal/Yeasticidal Testing

Development of fungicidal/ yeasticidal products involves multiple steps and processes which differ depending on the need of their intended use. International organizations like EN (European standards), ISO (International Organization for Standardization), ASTM International (formerly American Society for Testing and Materials), and a few more have developed and published a wide range of standard guidelines to test different kinds of  fungicidal/yeasticidal products. These standards specify the testing conditions, test microorganisms, and the passing criteria to  ensure the product is able to satisfy its efficacy claims.

These standards have been used by manufacturers worldwide to evaluate the antifungal efficacy of the final product.

Fungicidal/Yeasticidal Testing Methods at MIS

At MIS, we offer customized solutions to our clients according to their fungicidal & yeasticidal testing needs!

  • AATCC 30 – AATCC 30 test is a standard protocol used to evaluate the mildew and rot resistance of textile material. AATCC 30 employs 4 different types of test methods, depending on the type of textile materials and their intended use.
  • ASTM G21A variety of polymer materials can be tested using ASTM G21. This antifungal efficacy test is applicable for both indoor and outdoor furnishings that include molded and fabricated articles, tubes, rods, coatings, pipes, marine plastics, sheets, and film materials.
  • ASTM C1338 – ASTM C1338 test helps to determine the quality and effectiveness of newly manufactured insulation products under favorable lab-controlled conditions to resist fungal growth.
  • ASTM D5590 – ASTM D5590 is an antifungal testing method which is used to determine the resistance of paints/coating materials to fungal defacement under optimal lab conditions.
  • ASTM D3273 – ASTM D3273 test is a qualitative antifungal test to assess the resistance of interior coatings against mold and fungus growth. This 28 days test is conducted in an environmental chamber stimulating real environmental conditions to evaluate the antifungal performance of sample materials.
  • EN 1650 – EN 1650 is a quantitative suspension test that evaluates the fungicidal or yeasticidal activity of chemical disinfectants and antiseptics. EN 1650 test is intended for disinfectant products used in food, industrial, domestic, and institutional areas.


  • EN 1657 – EN 1657 is a quantitative suspension test for the evaluation of fungicidal/yeasticidal activity of chemical disinfectants and antiseptics used in the veterinary area.


  • EN 13624 – EN 13624 specifies a test method to assess the fungicidal or yeasticidal efficacy of antiseptics and disinfectant products intended for use in medical area.


  • EN 1275 – EN 1275 specifies a test method that validates the efficacy of disinfectant formulations that are intended to be used in homes, outer environments, and health care settings.


  • EN 14562 – EN 14562 is a (phase 2, step 2) carrier test to assess fungicidal or yeasticidal activity of medical instrument disinfectants. In order to comply with EN 14562 standard, test product must demonstrate at least a 4 log reduction in the number of test microorganisms.


  • EN 16438 – EN 16438 is a quantitative non-porous surface test for chemical disinfectants and antiseptics used in the veterinary areas without mechanical test. To pass EN 16438, test product must show at least 3 log reductions for reference microorganisms as a minimum measure of efficacy.
  • ISO 11930 – ISO 11930 specifies a test procedure to assess the antimicrobial protection of cosmetic products to ensure the product safety to end users. This guideline helps to determine the presence of bacteria, fungi or yeast in cosmetic samples before sending the finished product into the market. 

Why trust MIS with your Fungicidal Testing Needs?

At MIS, we offer a full suite of testing services to different industries involved in  development and innovation of antifungal/yeasticidal textiles, paints/coatings, and disinfectant products.

We are dedicated to fully understand the testing needs of our clients and strategizing performance analysis according to international standards.

To learn more about the best suited fungicidal efficacy test for your product, please talk to our experts here.

Contact us for more information

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