Identify samples quickly with Thermo Scientific™ Nalgene™ PPCO Micro Packaging Vial Closures for 4.5mL Vials, offered in green, white or natural. Polypropylene polymer closures are ready to use and have no O-ring to fall out or contaminate contents.
Vials (listed separately) and closures are pressure-tested together at 7.5psig for air shipment.
Closures are sterile, RNase/DNase free, non-cytotoxic and non-pyrogenic.
Closures are leakproof† when used with Nalgene Micro Packaging Vials.
Micro Packaging Vial Closures are bulk packed without vials, 500 per inner bag, 1,000 per case. Order sterile vials separately Cat. No. (342800-0045)
Warranty: 90 days
Disclaimer to internal research use restriction: Any restrictions on the purchaser to utilize the product(s) for internal research purposes only does not apply to the product(s) on the web pages associated with this statement. The term “leakproof” applies to Thermo Scientific Nalgene products that meet the following criteria: a) Bottle/flask/funnel closure systems with closures smaller than 100mm, after they are filled with water, inverted, withstand air pressure of 2psig for two minutes, and no water escapes;. b) Bottle/funnel/flask closure systems of larger than 100mm after they are filled with water, inverted for 15 minutes, and no water escapes. Note: these tests, using other liquids, may not yield the same results. To ensure safe usage, customers are advised to test Thermo Scientific Nalgene bottles and closures under conditions of their planned applications. Thermo Scientific Nalgene products are leakproof at ambient temperature and pressure when used with their Nalgene closures.
A sample product certificate providing Cytotoxicity, USP Class VI, FDA Compliance—21 CFR and other regulatory compliance information is available or can be requested from our Certificates of Compliance Database