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Polygard® CR Cartridge Filter

pore size 50.0 μm, cartridge nominal length 10 in. (25 cm), Code F (double open end w/flat gaskets)

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Polygard-CR Cartridge Filter 10 in. 50 μm Code F


polyethylene seal

Quality Level






4.8 bar max. differential pressure (70 psid) at 25 °C
4.8 bar max. inlet pressure (70 psi) at 25 °C

cartridge nominal length

10 in. (25 cm)


7.0 cm (2.75 in.)


≤0.5 EU/mL bacterial endotoxins (LAL test, Aqueous extraction)

gravimetric extractables

≤50 mg

pore size

50.0 μm nominal pore size
50.0 μm pore size


sample type liquid

cartridge code

Code F (double open end w/flat gaskets)

Related Categories

General description

The Polygard® CR Cartridge Filter products are nominally rated filters designed for particle removal applications in liquids and gases. The graded-density depth structure of Polygard-CR filter media provides maximum filtration capacity, a 50.0 μm pore size and the all-polypropylene construction offers low extractables levels and broad chemical compatibility.

Polygard-CR cartridge filters provide high throughput with 4.8 bar max. differential pressure (70 psid) at 25 °C.

Typical Applications
Polygard-CR high-efficiency cartridge filters, composed of graded density polypropylene media are widely used in the beverage industry for liquid and gas filtration applications to protect tighter filters.

Regulatory Compliance
Polygard® CR Cartridge Filters are designed, developed, and manufactured in accordance with a Quality Management System approved by an accredited registering body to an ISO 9000 Quality Systems Standard and are shipped with a Certificate of Quality. Each cartridge filter is supported by a Validation Guide for compliance with regulatory requirements.

For traceability and easy identification, each filter is marked with identifying characteristics.

Multiple Formats Available
Polygard-CR product line offers a full range of filtration areas is available to suit varying application requirements. A variety of connection options are offered for easy adaptation to existing housings.

These devices have been developed to minimize hold-up volume when evaluating multiple media configurations.

Preparation Note

Sanitization Protocol
30 min with hot water @ 80 °C
Sterilization Method
Do not autoclave

Analysis Note

Gravimetric Extractables: after 24-h soak in water
Will meet the USP Oxidizable Substances Test requirements after a water flush of ≥5 L

Legal Information

POLYGARD is a registered trademark of Merck KGaA, Darmstadt, Germany

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