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Physical & Chemical properties

Particle size distribution (Granulometry)

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Description of key information

The particle size distribution of samples of trimellitic anhydride flakes and drops, typical of the commercial production, was characterised by a sieving method. As result, 95% of particles are larger than 400 microns and less than 1% are smaller than 50 microns.

Additional information

The data provided by this particle size analysis are compatible with independently collated data contributed by members of the Trimellitic Anhydride Sub-Group of the Polyester Monomers Consortium (contributors anonymised, number of sources not known), whose collective particle size distribution data are described by the following envelope: 95% larger than 400 microns and less than 1% are smaller than 50 microns.