LabExact
Grade Quartz A Microfiber, High Purity SiO2, Binderless, 2.2µm, 70mm, High Temp, 100/Pk SKU: LE-Q7000

Grade Quartz A Microfiber Filters - LE-Q7000

Featuring binderless quartz microfiber technology delivering 99.999% filtration efficiency for extreme temperature air monitoring applications. Ultra-high purity SiO2 construction with EPA PM10 compliant¹ performance characteristics provides validated particulate retention through 1000°C continuous operation. The 2.2µm pore configuration captures fine particulates while maintaining optimized airflow for demanding ambient air monitoring and analytical protocols requiring exceptional thermal stability and contamination-free results.

Key Quartz Microfiber Membrane Characteristics

Binderless quartz construction eliminates organic contamination and maintains dimensional stability at extreme temperatures up to 1000°C
99.999% high purity SiO2 delivers ultra-low background interference for critical trace element analysis and spectroscopy applications
2.2µm retention efficiency captures fine particulates while optimizing flow rates of 1.1-1.35 m³/min for high-volume sampling protocols
Hydrophobic surface chemistry resists moisture interference during ambient air monitoring and stack gas applications
Loss on ignition below 6% validates chemical purity for gravimetric analysis and elemental determinations requiring minimal ash content

Key Construction Characteristics

Robust tensile strength of 215g/15mm (ASTM D828)² ensures handling integrity during filter installation and changeout procedures
Standard 70mm diameter accommodates universal filter holder configurations and high-volume sampling equipment designs
Uniform screen and felt sides with consistent MD/CD density demonstrates excellent lot-to-lot reproducibility for validated analytical methods
Manufacturing performed with RO water filtration system minimizes ionic contamination for ultra-trace metal analysis applications
Glass microfiber matrix maintains structural integrity while providing exceptional chemical resistance to acidic gases except hydrofluoric acid

LE-Q7000 filters achieve exceptional thermal performance withstanding continuous exposure to 1000°C while maintaining filtration efficiency, accelerating your high-temperature analytical workflows including atomic absorption spectroscopy and flame emission spectrometry. Outstanding chemical resistance to acidic gases and aerosols maximizes analytical flexibility when monitoring corrosive emissions and industrial stack effluents. EPA PM10 compliance¹ transforms these filters into validated reference-grade media, providing performance assurance for your critical environmental monitoring applications demanding both extreme temperature tolerance and certified analytical accuracy.

¹ EPA Ambient Air Monitoring Methods PM10: https://www.epa.gov/amtic/air-monitoring-methods-criteria-pollutants
² ASTM D828 Standard Test Method for Tensile Properties of Paper and Paperboard: https://www.astm.org/d0828-22.html