Thermo Scientific™ Nalgene™ 890 tubes are resistant to most known chemicals at room temperature and offer high temperature resistance for use in demanding laboratory applications. Translucent and semi-rigid tubing are also used in demanding laboratory applications such as chromatography, trace metal analysis, contamination sampling, highly reactive catalytic processes, metal corrosion testing, pharmaceutical work, dissolution and hot acid etching. Food grade materials comply with the requirements for food packaging in 21 CFR 177.1520.