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Thermo Scientific™ Nalgene™ PPCO Low-Profile Closures for Micro Packaging Vials: Sterile, Bulk Pack

Identify samples quickly with sterile, low-profile closures molded of high-purity low metal content PPCO resin, available in a variety of colors.

Supplier:  Thermo Scientific™ 3428210110

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Catalog No. 03-390-25

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Identify samples quickly using Thermo ScientificTM NalgeneTM PPCO Low-Profile Closures for Micro Packaging Vials, offered in a variety of colors. Closures are molded of high-purity, low metal-content polypropylene copolymer (PPCO) resin—excellent for PCR reagents. Closures are sterile and ready to use.


PPCO Closures:

  • Sterile to 10-6 SAL
  • RNase/DNase-free
  • Noncytotoxic and nonpyrogenic 
  • Leakproof† when used with Nalgene Micro Packaging Vials

Ordering Information:

Nalgene Micro Packaging Vial Closures are bulk packed without vials, 500 per inner bag, 1,000 per case. Order sterile vials separately (Cat. Nos. 342800, 342805).



Low-profile closures for micro packaging vials
11 mm
Polypropylene Copolymer
ISO 13485:2016
11 mm
500 Bag, 1000 Cs.


Product Certifications


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† 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.