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labcon.com 74ProtectR%u00ae CO2 Resistant Tubes for Shipping on Dry IceTRANSPORT & SHIPPINGPROTECTR%u00ae TUBESSamples in ProtectR%u00ae tubes should be frozen prior to dry ice exposure Freezable (-80%u00b0 C) with maximum liquid volume indicator for safe sample freezingGraduationsWith forward and reverse scales for easy-to-read & accurate measurementsCertified to IATA/U.S. DOT/UN3373 StandardsTested and certified to meet the requirements for all domestic & international ground & air transportGas-Tight Cap Novel elastomer protects samples in dry ice from CO2 exposure that can drop the pH of the sample and cause acidification!12,500Samples of proteins, other biological molecules, and cell cultures are commonly shipped and stored on dry ice, putting them at risk of acidification by up to 2.5 pH units. In standard centrifuge tubes, CO%u2082 vapor from dry ice enters the tube headspace and causes a significant drop in the pH of the sample. ProtectR%u00ae tubes conform to all biological sample shipping requirements and in addition are engineered to be CO2 resistant and stop costly damage to molecular and cellular solutions when using dry ice. With their airtight, leakproof secure seal, ProtectR%u00ae tubes ensure consistent sample integrity and protein activity across experiments. Even if samples are delayed during shipping, they will not become compromised, saving time and money.Most international and domestic carriers now require adherence to the IATA standards for all biological substance shipments. IATA 95 kPa certification ensures containers are leak-resistant under differential pressure and extreme temperature conditions such as in air transport. MATERIAL GRADE RATINGAPPROVED USESCOLORSProprietary PolypropyleneMedicalUSP Class VIMedical, Research, Industrial, Food & BeverageClear tube/green capProtectR%u00ae Tubes For Shipping On Dry Ice%u2022 Certified for shipping%u2022 Protects samples shipped on dry ice%u2022 Keeps pH stable%u2022 Airtight & CO2 Resistant15 mL 50 mL%u2122 %u2122 %u2122 %u2122 Certified Low TraceMetals%u2122 CERTIFIEDLow TraceMETALS%u2122 -80%u00b0 CPatentedGrid-Style Writing PanelPatented, smudge-resistant large writing panel for sample identificationPrimary or Secondary Vessel Ideal vessel for primary and secondary containment when shipping on dry ice For samplesSHIPPED on dry iceFull Protection from pH Damage