LabExact
Grade F Glass Microfiber Filter, Binderless Borosilicate, 0.7µm, 142.5mm, 100/Pack SKU: LE-F1425

Featuring binderless borosilicate glass microfiber technology delivering exceptional 0.7µm particle retention for critical analytical and environmental applications. This EPA-specified¹ filter serves as the established standard for TCLP analysis while providing outstanding performance for protein purification, DNA isolation, and complex solution clarification. Ultra-fine porosity with medium flow rate characteristics enables retention of exceptionally small particles while maintaining high load capacity for demanding biochemical and environmental monitoring protocols.

Key Glass Microfiber Membrane Characteristics

Binderless borosilicate glass microfiber construction eliminates organic contamination while providing thermal stability to 475°C
Tight specification particle retention of 0.6-0.8µm with pure borosilicate glass structure ensures consistent analytical results
Fine porosity and high loading capacity enable effective clarification of biochemical and biological fluids containing strongly oxidizing, acidic, or alkaline constituents
Smooth and uniform fiber structure permits characteristically high flow rates while allowing retention of exceptionally small particles
Hydrophobic surface chemistry optimizes performance for critical applications including DNA purification and filtering finely precipitated proteins

Key Construction Characteristics

Standard 142.5mm diameter with 0.4mm thickness and 80g/m² nominal basis weight accommodates universal filter holder configurations
Medium flow rate of 80 seconds filtration speed optimizes processing time for high-volume applications
100% borosilicate glass microfiber without binders or strengthening agents maintains chemical purity throughout filtration cycles
Autoclavable construction enables sterilization protocols for sterile filtration and microbiological applications
Nonsterile packaging with 100 filters per pack delivers cost-effective solutions for routine analytical workflows

LE-F1425 filters achieve superior chemical resistance to strong acids, bases, and oxidizing agents, maximizing your analytical flexibility when processing challenging sample matrices. Medium flow rate provides highly efficient and reliable solution for retaining sub-micron particles while exceptional depth filtration characteristics trap particulate within the random matrix structure. EPA TCLP Method 1311¹ compliance transforms these filters into validated reference-grade media, providing performance assurance for your critical environmental monitoring, biochemical purification, and landfill leachate analysis applications demanding both precision particle retention and certified 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