Strategies behind Irradiation

Polymers are in general sensitive to irradiation. The more accurate the irradiation are the closer to polymer specification after the treatment. The higher the dose more changes in material properties are seen in some polymer materials.

  • Light weight, low density SUBs and SUFs are high precision Electron Beam irradiated at 32 kGy.
  • High density SUBs are either high precision Electron Beam irradiated at 40 kGy or low precision (±10 percent) 50 kGy Gamma irradiated.

Gammatex ® irradiation indicator dots undergo a simple yellow to red colour change when exposed to more than 25 kGy Gamma or E-beam irradiation. Part of the quality control validation record.

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