All Photos(1)



Whatman® polyamide membrane filters

polyamide membrane circles, (NL16), 0.2 μm, 50 mm, 100/pk

Sign Into View Organizational & Contract Pricing

Z698032, membrane filters, nylon membrane filters


Nylon membrane (polyamide membrane)


pack of 100


Whatman 10414014
Whatman Article No. 28415335 (US reference)


50 mm

pore size

0.2 μm


suitable for (clarification and sterile filtration.)

Looking for similar products? Visit Product Comparison Guide

Related Categories

General description

Whatman® Polyamide Membranes

Whatman polyamide membranes are made from pure polyamide making them the universal filter for clarification and sterile filtration.

NL 16
  • Pore size (μm): 0.2 (NL 16)
  • Thickness (μm): 110
  • Nominal pore size (μm): 0.2
  • Water flow rate Δp = 0.9 bar (mL/min/cm2): 10
  • Bubble point (bar): 4.2
  • Maximum temperature: 135°C

NL 17
  • Pore size (μm): 0.45 (NL 17)
  • Thickness (μm): 110
  • Nominal pore size (μm): 0.45
  • Water flow rate Δp = 0.9 bar (mL/min/cm2): 20
  • Bubble point (bar): 2.8
  • Maximum temperature: 135°C

Polyamide membrane filters are mechanically very strong and exhibit excellent wet strength and dry strength. They are hydrophilic making them suitable for aqueous and organic solutions. The membrane filters can be used up to 135°C.

Other Notes

Field of Use : For internal research use only. Products are not intended for diagnostic use or resale.

Legal Information

Whatman is a registered trademark of Cytiva

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Documents related to the products that you have purchased in the past have been gathered in the Document Library for your convenience.

Visit the Document Library

Difficulty Finding Your Product Or Lot/Batch Number?

Product numbers are combined with Pack Sizes/Quantity when displayed on the website (example: T1503-25G). Please make sure you enter ONLY the product number in the Product Number field (example: T1503).


Product Number
Pack Size/Quantity

Additional examples:





enter as 1.000309185)

Having trouble? Feel free to contact Technical Service for assistance.

Lot and Batch Numbers can be found on a product's label following the words 'Lot' or 'Batch'.

Aldrich Products

  • For a lot number such as TO09019TO, enter it as 09019TO (without the first two letters 'TO').

  • For a lot number with a filling-code such as 05427ES-021, enter it as 05427ES (without the filling-code '-021').

  • For a lot number with a filling-code such as STBB0728K9, enter it as STBB0728 without the filling-code 'K9'.

Not Finding What You Are Looking For?

In some cases, a COA may not be available online. If your search was unable to find the COA you can request one.

Request COA

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service