Intertek provides a broad range of powder and granulate characterisation tests. Information on physical properties like morphology, size, shape, impurities and color of powders and granulates is very important for processing, storage and transport of polymers.
Intertek tests powder and granulate properties with laser diffraction, sieve analysis (vibrating sieve, shaking sieve and Alpine air jet sieve), automated colour, shape and size systems using inline CCD cameras, dry-flow, volume and bulk density testing.
Powder and Granulate Tests include
- Particle size distribution by laser diffraction (0,2 - 2000µm)
- Sieve analysis with Alpine air jet sieve (30-850 µm)
- ISO 2591, DIN53477 - Particle size vibrating sieve method (20-4800 µm)
- Pellet Shape and Size Distribution of granulates using CCD-camera ( 80-10.000µm)
- Color deviations in granulates by PS-25C pellet inspection system
- ISO R1265 -Impurities and foreign particles in Powders by "glass plate method"
- Dust particles ( < 1 mm) on granulates with a density between 900-1300 kg/m3.
- FEM 2 482 - water/ethanol separation-filtration method
- ISO-60, DIN53466 - Bulk density / Apparent density
- ASTM D 1895-69 - Dry-flow of powders
- Free bulk density and tapped bulk density
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