Thermal-Damaged Plastics Library

Troubles caused by contaminants in Foods, Pharmaceuticals, Electricals and Electronics, Machineries, and more fields frequently happens. There are many kinds of contaminants. A part of plastics damaged by age, heating, and other factors is a reason of contaminants.

FTIR is suitable to identify such plastics contaminants. But the shape of infrared spectra of thermally damaged (oxidized) plastics is different from that of the original spectra. Therefore, they are not found in commercially polymer libraries or tend to show a similar but different spectrum even if they are found. For this reason, it is difficult to identify or qualitatively determine such plastics.

Thermal-Damaged Plastics Library contains spectra of plastics oxidized by heating. It is exceptionally effective for analysis of unknown samples such as thermally changed contaminants and defective products that commercial libraries cannot cover.


  • Shimadzu's unique library containing IR spectra of plastics damaged by heating. Thermal-Damaged Plastics Library was created using spectra obtained by Hamamatsu Technical Support Center, Industrial Research Institute of Shizuoka Prefecture.
  • Includes data of 13 types of plastics unheated and damaged by heating at 200 to 400 degree C.
  • Spectra in the library was obtained by Infrared microscope-Transmittance mode, but combination of a single bound ATR method and an Advanced ATR correction makes excellent spectral search.

Applicable Fields

  • Food, pharmaceutical, Electricals and Electronics, petroleum, chemical, and other fields where Contaminants analysis is performed
  • Organizations performing contracted analyses

Shimadzu created Thermal-Damaged Plastics Library using spectra obtained by Hamamatsu Technical Support Center, Industrial Research Institute of Shizuoka Prefecture.

Analysis of Contaminants on a plated part

Semi-translucent tan contaminants were found on a plated part. IR spectra of the contaminant was so complicated and similar spectra could not be searched with commercial polymer libraries. Searching with the Thermal-Damaged Plastics Library found that it was heated and oxidized polyethylene. A chip of packing bag made of polyethylene of the part was attached the part. Then, it is heated and oxidized on next heating process

For Research Use Only. Not for use in diagnostic procedures.

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