LabExact
Grade F Glass Microfiber Filter, Binderless Borosilicate - 0.7um, 125mm, Fine Porosity, 100/Pk SKU: LE-F1250

Featuring binderless borosilicate glass microfiber technology delivering exceptional 0.7µm particle retention for precision analytical applications requiring fine porosity control. Ultra-pure construction maintains medium flow rates while providing reliable filtration of diluted aqueous solutions containing strong oxidizing, acidic, or alkaline components. Specialized depth filtration matrix optimizes capture efficiency for extremely fine precipitated proteins, including immunoglobulins, making these filters essential for laser spectroscopy preparation and EPA Method 1311 TCLP analysis¹.

Key Glass Microfiber Membrane Characteristics

100% borosilicate glass construction eliminates binder contamination and maintains chemical purity throughout analytical protocols
0.7µm retention efficiency captures fine particles while maintaining optimized flow rates for complex aqueous solutions
Smooth, uniform fiber structure creates consistent void space architecture delivering high load capacity and exceptional small particle retention
Hydrophobic surface chemistry resists moisture interference during filtration of challenging acidic and alkaline matrices
Depth filtration design traps particulate within the random fiber matrix, maximizing filtration capacity and particle retention reliability

Key Construction Characteristics

Standard 125mm diameter accommodates laboratory filter holders and analytical equipment configurations for routine testing protocols
Binderless manufacturing process ensures no organic strengthening agents interfere with downstream spectroscopic analysis
Medium flow rate characteristics balance filtration efficiency with processing speed for diluted aqueous sample preparation
Superior chemical resistance withstands strong oxidizing agents and extreme pH conditions without fiber degradation
100-piece packaging delivers consistent performance for high-volume analytical laboratories requiring validated filtration media

LE-F1250 filters achieve reliable pre-filtration performance when used in conjunction with Grade D filters, accelerating your sample preparation workflows for laser spectroscopy applications. Outstanding chemical compatibility with aggressive media enables confident processing of acidic gases and challenging matrices in environmental testing protocols. TCLP Method 1311 compatibility¹ transforms these filters into validated analytical tools, providing performance assurance for your critical environmental compliance testing and protein separation applications demanding both fine particle retention and superior chemical resistance.

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