Premier offers a comprehensive selection of XRF Sample Cups that are manufactured 'In-House' and are available to fit many different Spectrometers. Manufactured from a select blend of contaminant - free polyethylene, these cups are disposable and are offered in standard universal sizes of 32, 35, 40, & 45mm. In addition, special sizes and dimensions are available to accommodate specific applications where adapters and/or accessories of spectrometers are required for precise positioning onto their mask. In addition we provide a wide range of X-Ray Thin Film Sample Support Materials' including Microporous films. All of these items provide Spectroscopists with the best overall value in the industry from price, value to selections. Thin Films for XRF are available in Continuous Rolls; Pre-Cut Sheets and Pre-Cut Circles.