LabExact
Grade A-83 Nano-Scale Glass Microfiber Filter, Binderless, 0.5µm, 55mm, 100/pk SKU: LE-A83-5500

Featuring ultra-high surface area nano-scale glass microfiber technology delivering unprecedented loading capacity with precise 0.5µm particle retention for advanced analytical applications. With over 85% fiber content between 300nm-1000nm, these binderless borosilicate glass filters achieve superior performance characteristics that exceed conventional membrane filtration systems by 20x loading capacity and 15x flow rate acceleration. Chemically inert construction with zero sizing additives enables ultra-low background noise in LC/GC/MS applications while maintaining exceptional extractable purity in aggressive solvent environments.

Key Nano-Scale Microfiber Characteristics

Ultra-high surface area construction with 85% fiber content in 300nm-1000nm range maximizes particle capture efficiency while maintaining exceptional flow rates
Binderless pure borosilicate glass composition eliminates organic contamination and chemical interference in trace analytical determinations
0.5µm particle retention delivers precise separation with 20x greater loading capacity than equivalent porosity MCE or CN membrane alternatives
Superior flow characteristics achieve 15x faster processing with virtually eliminated back pressure compared to surface membrane technologies
High protein affinity with excellent washability enables reliable separation recovery protocols for biochemical applications

Key Construction Characteristics

Smooth glass fiber sheath structure allows tight consolidation into highly retentive filter matrix with consistent lot-to-lot uniformity
Exceptional thermal stability withstands continuous operation to 500°C surpassing all polymeric membrane temperature limitations
Complete chemical resistance to all acids except hydrofluoric acid maximizes compatibility with aggressive analytical protocols
55mm diameter format optimizes compatibility with standard filter holders while delivering validated analytical performance
Ultra-low extractables and background noise characteristics ensure reliable results in high-sensitivity instrumentation applications

LE-A83-5500 filters transform complex analytical workflows through their unique combination of nano-scale architecture and binderless purity, accelerating your sample processing while maintaining analytical integrity. Outstanding pre-filter performance for micro-porous membranes including polymeric structures, track-etched polycarbonates, and monolithic membrane materials maximizes your filtration system efficiency and extends downstream component life. Independent laboratory validation using advanced fiber analysis and SEM image quantification¹ confirms genuine nano-scale fiber characteristics, providing certified performance assurance for your most demanding analytical applications requiring both exceptional retention and ultra-pure background characteristics.

¹ ASTM F2299 Standard Test Method for Determining the Initial Efficiency of a Flat Sheet Filter Medium: https://www.astm.org/f2299-03r18.html