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Minimum Auto-Ignition Temperature Testing

The Minimum Auto-Ignition Temperature (MAIT) value is used to assess a dust's sensitivity to hot surfaces, such as dryers, bearings and other mechanical parts. It helps to define explosion prevention methods.

Instrument

BAM Oven

BAM Oven manufactured by Swissi AG of Switzerland

Applicable Standard

ASTM E 1491, Standard Test Method for Minimum Autoignition Temperature of Dust Clouds.

This test method covers the determination of the minimum temperature at which a dust cloud will auto ignite.

Sample Results

MAIT Sample Results

Sample Requirements

Approximately 100 g of material is required.

Sample Preparation

A note on particle size and moisture level for testing. ASTM recommends that dust samples tested be made up of at least 95% minus 200 mesh (75 micron) size particles and in the dry state. However, “as-received” testing of samples is allowed. The decision on sample preparation should be based on how the data is to be used. If you are unsure which sample size/dryness level is appropriate for your application, call us at 1-844-ioKinetic to discuss.

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