ASTM G21: Resistance of Synthetic Polymeric Materials to Fungi

ASTM G21: Resistance of Synthetic Polymeric Materials to Fungi

ASTM G21: Resistance of Synthetic Polymeric Materials to Fungi

ASTM G21: Resistance of Synthetic Polymeric Materials to Fungi

Overview page of ASTM G21

Scope of ASTM G21

ASTM G21
Standard practice for determining resistance of synthetic polymeric materials to fungi.

Products to be tested
Synthetic polymeric materials.

Description of ASTM G21 Test

  • Fungi are grown on solid medium and a spore suspension is prepared from Penicillium, Aspergillus, Chaetomium, Trichoderma, Aureobasidium.
  • A small volume of the pooled spore preparation is applied directly to the test samples.
  • Petri dishes are sealed and incubated for up to 28 days.
  • Samples are given a semi-quantitative based performance score based on fungal growth after 28 days.

Third Party Validation
On passing this test, the product can be labelled as tested by airmid healthgroup to ASTM G21 in support of any claim relating to the test and data received.

Turnaround Time
5 weeks

Related Case Studies

Gabriel Scientific, makers of SleepAngel pillows, launched the Pillow Check Up in conjunction with airmid healthgroup.

Spring Air and Airmid Healthgroup Partner to Launch the First Certified asthma & allergy friendly® Mattress in the United States

Allergen Barrier Efficacy of AeroSleep Baby Protect Mattress

Further reading

Call for Abstracts: AAAR 2025 Special Symposium on Reducing Aerosol Exposure with Control Technologies and Interventions

Swiss Precision Meets Irish Innovation: Airmid Healthgroup Welcomes Swissatest Testmaterialien AG for Strategic Visit

Cleaning Products Europe: Testing, Innovation, and Health in a Shifting Landscape

Relevant external Links

G21 Standard Practice for Determining Resistance of …ASTM Internationalhttps://www.astm.org › …

ISO 20743:2013 – Textiles — Determination of antibacterial …ISO – International Organization for Standardizationhttps://www.iso.org › standard

ISO 13629-1:2012(en), Textiles — Determination of …ISO – International Organization for Standardizationhttps://www.iso.org › obp

Related Tests

Word Tags

ASTM G21 | Standard Practice | Resistance | Synthetic Polymeric Materials | Fungi | Mold | Textiles | Smart textiles| Antimicrobial Surfaces