I.W.Tremont Grade CFP4 Cellulose Filter Paper, qualitative grade, 100/pk

I.W.Tremont Grade CFP4 Cellulose Filter Paper, qualitative grade, 100/pk

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LabExact® Grade CFP4 has the fastest flow rate demonstrated by any of the qualitative cellulose filter media resulting in a low retention rate of approximately 25 um.  Very commonly used as the first media in a multi-stage filtration process. Ideally suited for use in organic extractions and biological fluid separation processes.  Often specified in air monitoring applications where the entrapment of fine particulate is not required.

Features

• Manufactured from high-quality cotton linters
• Wide range of retention/flow rates to meet various laboratory applications.
• Available in Qualitative, Technical Qualitative and Quantitative grades.
• Available in a convenient and easy to use fluted version with a sharply creased pre-folded pattern which helps reduce preparation time vs. flat filters when used in a filter funnel. Ideal in repetitive or multiple analyses.

Specifications

• Filter Media: Nomenclature is serialized and no indication of grade or quality.
• Furnish: The raw materials used in the manufacture of the wet laid product.
• Ash content:  Dry method, determined in exposure at 900ºC air in muffle furnace.
• Retention:  Nominal retention of particulate at 98% efficiency in liquid.
• Flow: Liquid flow rate speed relative to other comparable products listed in this product alignment.
• Basis weight: Nominal weight of material per meter2 indicated “gram weight” unit of measure at 8% moisture.
• Thickness: As measured under 4 psi using TAPPI method T411.
• Flat/Fluted:  Flat stock is supplied as sheets, rolls or die cut parts. Fluted is ¼ or ½ quadrant funnel folding.
• Surface:  Stated as relative to comparable products listed in this product alignment.
• Brightness: Stated as relative to comparable products listed in this product alignment.

Qualitative Cellulose Grades