Profile: Seton Scientific produces ultracentrifuge tubes, bottles and accessories. Our product line includes open-top PA tubes, polyclear tubes, oakridge bottles, cone-top tubes, easy-seal tubes, re-seal tubes and ultra-cone tubes. Our polyclear thermoplastic is transparent and non-wettable in an uncoated state & the ultracote layer applied to polyclear tubes gives it a wettable surface for convenient gradient formation.