LabExact
Grade CFP4 Cellulose Filter Paper, Qualitative - 25µm, 185mm, Fast Flow, 100/Pk SKU: LE-CFP4-185

Featuring ultra-fast cellulose fiber technology delivering the fastest flow rate demonstrated by any qualitative cellulose filter media with 20-26 µm particle retention. This hydrophilic cellulose construction provides exceptional throughput for preliminary separation and clarification applications where rapid processing accelerates your analytical workflow. Very commonly used as the first media in multi-stage filtration processes, this qualitative grade maximizes efficiency in complex sample preparation protocols requiring sequential refinement stages.

Key Cellulose Fiber Matrix Characteristics

Ultra-fast flow rate configuration enables rapid sample processing while maintaining consistent 25µm particle separation
Minimal ash content below 0.05% ensures interference-free results in downstream gravimetric and spectroscopic analysis
Optimized basis weight of 94 g/m² provides structural integrity during high-volume filtration operations
Hydrophilic surface chemistry delivers immediate wetting and consistent flow characteristics with aqueous solutions
Natural cellulose fiber matrix creates depth filtration properties ideal for particulate entrapment without membrane plugging

Key Construction Characteristics

Large 185mm diameter accommodates high-volume samples and reduces processing time in preparative applications
Standard thickness of 0.210mm balances mechanical strength with optimal flow dynamics for reliable handling
Bright white cellulose composition enables visual monitoring of separation progress and filtrate clarity assessment
Nonsterile grade optimized for routine laboratory separations where sterility validation is not required
Convenient 100-sheet packaging provides consistent lot-to-lot performance with efficient inventory management

LE-CFP4-185 filters excel in organic extractions and biological fluid separation processes, accelerating your sample preparation cycles while maintaining reproducible separation characteristics. Often specified in air monitoring applications where fine particulate entrapment is not required, this fast-flow media transforms preliminary clarification steps into efficient preprocessing stages. Outstanding chemical compatibility with most organic solvents and aqueous solutions maximizes your analytical flexibility when processing diverse sample matrices requiring rapid initial separation before fine filtration or analytical determination.