Puresil PSTC from PTFX is a range of ultra-clear flexible smooth bore platinum cured silicone tubing designed for all aspects of high-purity and bioprocess media transfer and filling applications, extruded and packaged in Class 1000 clean room production facilities. This tubing meets and exceeds the requirements of USP Class VI, EP 3.1.9, and FDA 21 CFR 177.2600, with all materials fully certified and traceable back to the point of origin. Available in sizes from 0.5mm to 51mm internal diameter, it is widely used for clinical trials, fermentation, cell culture, chromatography, sterile transfer and sampling, and pharmaceutical filling applications.