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ASTM C1338 : 2019

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Quick understanding of the test
ASTM C1338 : 2019 - Standard Test Method for Determining Fungi Resistance of Insulation Materials and Facings
Application
- Test samples are inoculated with fungal spores and incubated for 28 days.
- After incubation, samples are visually examined for fungal growth.
- Comparative materials are also tested for performance analysis.
- Ensures insulation materials can resist fungal growth in humid conditions.
- Verifies long-term performance by testing in controlled environmental chambers.
Turnaround Time
Passing criteria
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Abstract
ASTM C1338 Test Method
- Test samples are inoculated with fungal spores and incubated under conditions favorable for fungal growth for a time duration of 28 days.
- After incubation period, test samples are examined for visual fungal growth.
- To pass ASTM C 1338, test sample should not show any fungal growth.
- Customers can also send the comparative material for analyzing the performance of test samples against fungal growth.

Importance of ASTM C1338 Test
Fungi quickly begin to thrive on insulation material and facings under moist and humid environments. ASTM C1338 test helps to determine the quality and effectiveness of newly manufactured insulation products under favorable lab-controlled conditions to resist fungal growth.
Conclusion
Our team experts plan and carry out testing analysis using both analytical and scientific techniques. In addition, all our testing protocols are in line with international standards.
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We cater to clients and companies worldwide, helping to assess antibacterial, and antiviral efficacy of their products. We also offer a range of testing services in the field of chemistry and toxicology.
Frequently Asked Questions

DR. Martinoz Scholtz
At Microbe Investigations, we test for ASTM C1338 using Aspergillus niger (ATCC-16888). Additional strains can be added as per customer request.
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