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      1. Home
      2. Products
      3. Radiation Detection
      4. Plastic Scintillation
      5. Cast Sheet and Plastic Scintillator Detectors

      Plastic Scintillator Detectors

      Stacked Wrapped Plastic
      cast plastic
      sphere plastic

      Plastic scintillator sheets consist of a solid solution of organic scintillating molecules in a polymerized solvent. The ease with which they can be shaped and fabricated makes plastic scintillators an extremely useful form of polyvinyltoluene based organic scintillator.

      Our plastic scintillators are produced in a wide variety of shapes and sizes. Cast sheets are the most commonly used forms.
      You also can obtain precision thin sheets, thin-film, rods, annuli, and large rectangular blocks.
      We supply most solid scintillators with their surfaces prepared to optimize light collection. For cast sheets, the cast surfaces are untouched, and the edges are machined and polished or diamond milled.

      You can obtain as finished plastic scintillator detector assemblies. These incorporate light guides, photomultiplier tubes, special radiation entrance windows, light-tight wrappings, and electronics. Integrally mounted or demountable detectors can be designed to meet your specifications.

       

       

      Features/Benefits

      • Sensitive to X-rays, gamma rays, fast neutrons and charged particles
      • Special formulations available for thermal neutron and improved X-ray efficiency

       

       

      Specifications

       

      Standard Cast Sheet Sizes

      Standard Sizes 
      0.5 mm ± 0.1 mm 30 x 60 cm
      1 mm ± 0.1 mm 30 x 60 cm
      1.5 mm ± 0.25 mm 30 x 101 cm
      2 mm ± 0.25 /- 0.3 mm 45 x 101 cm
      3 mm ± 0.38 mm 63 x 101 cm
      5 mm + 0.56 / - 0.46 mm 63 x 203 cm
      6.4 mm + 0.64 / - 0.51 mm 63 x 203 cm
      10 mm ± 0.51 mm 63 x 203 cm
      12.7 mm ± 0.64 mm 63 x 203 cm
      20 mm ± 0.73 mm 63 x 203 cm
      25 mm + 0.76 / - 1 mm 63 x 203 cm
      38 mm ± 0.76 mm 63 x 203 cm
      50 mm ± 2 mm 63 x 203 cmc
      75 mm ± 2.5 mm 60 x 101 cm
      100 mm ± 3.8 mm 60 x 101 cm
      125 mm ± 6 mm 60 x 101 cm
      150 mm ± 6 mm 60 x 101 cm
      *  This dimension is controlled during the casting process
      **  Large sizes available, but with different tolerances

       

      Special Large Cast Sheet Sizes

      Large Cast Sheet Size Range
      Thickness Range Maximum Width Maximum Length
      1 - 5 cm 30 cm 450 cm
      0.5 - 5 cm 45 cm 400 cm
      0.5 - 5 cm 60 cm 300 cm
      1 - 2.5 cm 100 cm 200 cm
      1 - 3.8 cm 120 cm 120 cm
      Please ask about other speical sizes you may need

       

      Finish Choices for Cast Plastic

      Finish for 2 parallel large surface:

      “BEST” As cast surface finish is optically clear and quite flat. Sheet material is cast to thickness required for the order between glass sheets, so a glass-like polished surface is the result.
      Diamond Milled cast faces (for 2 parallel large surface) Finish is flatter than as-cast, optically clear (but not as good as as-cast). Small tool marks may be visible under magnification.

      Finish for edges:
      “BEST” Diamond Milled edges - Surface finish is optically clear and quite flat.
      Rough or Saw-cut (for edges) - The finish is rough and NOT optically clear.  The customer will need to do further processing.

      Assembly Options

      Finished detector options:

      • wrapped in reflector and light tight black vinyl, as per Saint-Gobain standard tolerances
      • light guides coupled to scintillator   
      • photomultiplier tubes - Integrally mounted or demountable PMT can be designed to meet your specifications
      • integrated electronics

      Related Resources

       Organics Brochure

       Contact us to learn more!

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      Saint-Gobain Ceramic Materials

       

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