You are about to set up an account. For this process, you will be asked to provide personal information about yourself and possibly your organization. We invite you to read our Privacy Policy concerning any use of this information that you provide to us.

Benefits of setting up an Account:
  • Allows personalized content such as Favorite Items to be viewed.
  • Conveniently stores information to be used at checkout, such as billing and shipping addresses (Payment information is never stored on the website).
  • Get customized pricing for your organization (when available).

Join Our Mailing List!

Preferred Email Format

* Required

Advanced Search

Nalgeneā„¢ Oak Ridge Polysulfone Centrifuge Tubes with Screw Caps

By Nalge
Nalgene™ Oak Ridge Polysulfone Centrifuge Tubes with Screw Caps

Easily view contents using strong, transparent Nalgene™ Oak Ridge Polysulfone Centrifuge Tubes, featuring enhanced resistance to acids and bases. Tubes are available with sealing caps.


  • Round bottoms to fit high speed rotors
  • Transparent with straw-colored cast
  • Can be used up to 50,000 x g in refrigerated or non-refrigerated centrifuges
  • 7-3115-0030 and 7-3115-0050 include polypropylene linerless screw closures — easy to clean and provides leakproof performance under ordinary use for most spins up to 10,000 x g
  • For leakproof assurance >10,000 x g use with sealing cap assembly (sold separately)

Sealing cap assembly sold separately (Cat. No. 7-DS3131-series). Cat. No. 7-3115-0050 has a brim capacity of only 42mL but is designed to fit standard rotor.

Must be filled to 80% of total capacity for centrifugation

Cat.No.BrandCapac.MaterialPK  CS  
7-3115-0030 Nalgene™ 30mL Polysulfone $153.88
Add To Favorites $1150.80
Add To Favorites
7-3115-0050 Nalgene™ 50mL Polysulfone $188.98
Add To Favorites $1413.30
Add To Favorites

The following items have been added to your cart:

Choose a favorite list for this item:

Catalog Number Description Price

Request Literature

Please fill out the form below if you want to request literature from Krackeler Scientific.


Quick Order

* Required

New Year Price Updates

We are currently working diligently to update our website pricing information for the New Year. If you place an order, you will be acknowledged with any corrected pricing. If you'd like the most current information sooner, please don't hesitate to drop us an email or give us a call and we'd be happy to assist. Thank you for your patience while we are updating.


Play Video

To Request a Quote

  1. Search or Browse for items and add to them to your Shopping Cart.
  2. Click the "Request Quote" button at the bottom of the Shopping Cart page.
  3. Fill out required fields.
  4. Optionally you can convert to standard checkout mode by choosing a payment type.
  5. Click "Request Quote" at the bottom of the page.

You will be contacted with a quote.

To Order From a Quote

  1. Enter a quote number below
  2. Click "Checkout" (a special place holder item will be added to your cart)
  3. Enter any additional instructions in the comments section at checkout.

Customer service will contact you with an order confirmation.

Back to Top