LabExact
Grade F Borosilicate Glass Microfiber Filter, 0.7µm, 90mm, Binderless, TCLP Compatible, 100/pk SKU: LE-F9000

Featuring binderless borosilicate glass microfiber technology delivering exceptional particle retention for analytical filtration applications. Fine porosity configuration with 0.7µm nominal pore size provides medium flow rate performance while maintaining superior chemical resistance to strong oxidizing, acidic, and alkaline solutions. Ultra-pure construction with 475°C maximum operating temperature enables reliable processing for demanding laboratory protocols requiring validated depth filtration performance.

Key Glass Microfiber Membrane Characteristics

Outstanding thermal stability maintains filtration integrity through continuous high-temperature operation
Binderless borosilicate glass construction eliminates organic contamination while delivering pure filtration media
Nominal 0.7µm pore size rating provides consistent particle retention across diverse analytical applications
Depth filtration matrix traps particulates within random fiber structure for exceptional loading capacity and flow characteristics
Hydrophobic surface properties resist moisture interference during gas filtration and air monitoring applications

Key Construction Characteristics

Standard 90mm diameter accommodates universal filter holders and analytical equipment configurations
0.4mm thickness with 80 g/m² nominal basis weight optimizes mechanical strength and filtration performance
Smooth, uniform fiber structure permits characteristically high flow rates while retaining exceptionally small particles
100% borosilicate glass composition without binders or strengthening agents ensures analytical purity
80 second filtration speed specification delivers rapid processing for high-throughput laboratory workflows

LE-F9000 filters achieve reliable performance in TCLP analysis¹ protocols and extremely fine protein precipitation applications, including immunoglobulin collection. Frequently used with Grade D filters for clarifying diluted aqueous solutions prior to laser spectroscopy, these filters excel in environmental monitoring and analytical chemistry applications. Superior chemical compatibility with most laboratory solvents and reagents maximizes analytical flexibility while maintaining consistent filtration performance across diverse sample matrices requiring validated particulate removal and analytical accuracy.

¹ EPA SW-846 Test Method 1311 Toxicity Characteristic Leaching Procedure: https://www.epa.gov/hw-sw846/sw-846-test-method-1311-toxicity-characteristic-leaching-procedure