LabExact
Grade CFP5 Cellulose Filter Paper, Qualitative - 2.5µm, 42mm, Low Ash Content, 100/pk SKU: LE-CFP5-042

Featuring hydrophilic cellulose microfiber technology delivering 98% retention efficiency for very fine particulate filtration and clarification applications. 2.5µm nominal retention provides precise separation while maintaining optimal flow characteristics for environmental sciences and chemical analysis protocols. Ultra-low ash content below 0.05% minimizes interference in gravimetric determinations and trace analytical procedures.

Key Cellulose Membrane Characteristics

• Depth filtration matrix entraps particulate within random cellulose fiber structure delivering consistent separation performance
• Hydrophilic surface chemistry accelerates wetting and maintains steady flow rates during liquid processing applications
• Exceptional purity with ash content below 0.05% ensures minimal analytical interference in quantitative determinations
• Optimized porosity handles very fine particulate filtration while preserving clarification efficiency for complex sample matrices
• Versatile media performs separation in both liquid and gas applications maximizing laboratory workflow flexibility

Key Construction Characteristics

• Standard 42mm diameter accommodates universal filter holders and analytical equipment configurations in laboratory settings
• Controlled 0.195mm thickness measured per TAPPI T411¹ ensures consistent performance and handling characteristics
• Qualitative grade construction balances retention efficiency with flow rate optimization for routine analytical procedures
• Convenient 100-piece packaging reduces inventory management while providing sufficient quantity for extended laboratory campaigns
• Natural cellulose fiber composition delivers reliable clarification without introducing synthetic contaminants to sample streams

LE-CFP5-042 filters achieve exceptional separation performance for environmental monitoring, soil analysis, and chemical characterization applications requiring fine particulate removal. Superior retention capabilities for very fine particulate combined with consistent flow characteristics accelerate your analytical workflows while maintaining sample integrity. Proven performance in general laboratory separation and clarification applications transforms these qualitative filters into reliable analytical tools, providing dependable results for your critical environmental sciences and chemical analysis protocols demanding both precision particulate retention and ultra-low contamination levels.

¹ TAPPI T411 Thickness (Caliper) Test Method: https://imisrise.tappi.org/TAPPI/Products/01/T/0104T411.aspx