Perform high-purity work with ester-grade Nalgene™ 280 Polyurethane Tubing, which exhibits excellent abrasion and flex-fatigue resistance, as well as low-temperature resilience. Tubing contains no plasticizers and only low levels of extractables for high-purity applications. It features superior chemical resistance to fuels, oils, and some solvents (not recommended for aqueous solutions) and is resistant to atmospheric ozone, aliphatic hydrocarbons, and petroleum products. Supplied in 50 ft. packs marked every 12" for cutting. Can be gas sterilized.