These heavy duty PYREXPLUS® round bottles which can be used for storage as well as mixing and sampling. A protective PVC coating* helps prevent glass from shattering and reduces spills. Autoclavable at(121°C) and resistant to thermal shock. Bottle have GL45 threaded necks and comes complete with autoclavable, on-piece teal colored, polypropylene plug seal cap with drip-free pouring ring. Glass bead indicates full capacity line. Teal enameled graduations and marking spot. Thread size: GL45. Neck opening: 29mm I.D. A wide range of optional caps are available for these bottles, Polypropylene colored caps in a choice of orange, green, purple, red, and light gray for ease of sorting and identification, Vented membrane cap with 0.22µm PTFE hydrophobic membrane, or PBT caps with silicone septa for syringe sampling or introduction of reagents.
*Covered by U.S. Patent #4940613.
CAUTION: Do not place these bottles over direct heat or flame or heat above 121°C moist heat or 110°C dry heat. DO NOT tighten caps immediately after autoclaving as the vacuum resulting from cooling can cause breakage. 2L bottles should NOT be used with bottle top filter units, or in other applications involving vacuum pressure, as breakage may occur.