PTFE bottles,Website:http://www.rayflon-seals.com, PTFE vialsMaterial: PTFEColor: Natural whiteClosure type: ScrewRayflon customizes a variety of bottles made from PTFE, PFA & FEP materials. Types include bottles, vials. Specifications include 20 ml to 30,000 ml storage capacity applied to a wide temperature range. Bottles are non-contaminating, chemical inert, cleanable, translucent, leak proof, unbreakable, nonwettable, crack & chip resistant. They are usually used as dispensers in laboratory, storing & shipping applications.Features:·Screw top·Heavy wall construction·Smooth internal finish·Narrow or wide Mouth·Hand grips for ease of manipulation