High-quality glass test tubes, and plastic test tubes are designed and constructed for optimal performance and excellent resistance to industrial scientific chemicals. Sturdy construction from borosilicate glass delivers a great range of operating temperatures. These precision-molded test and sample tubes are suited to a wide variety of applications, and are available in round- or flat-bottomed models. Easy-to-read graduations and labeling with all models. Minimal thermal expansion gives these test tubes high resistance to temperature changes.
Reusable. Borosilicate Glass. Heavy-wall ignition tubes may be continually used at temperatures up to 500[degree]C or for short periods to 600[degree]C. Without rim. Size,mm: 25x200. Volume: 70ml.
Screw Thread, Round Bottom, Tubes are suitable for tissue culture work and general bacteriological use. Without a marking area. Trays are shrink wrapped in plastic film in modular trays. Supplied without caps.