LabExact
Grade Quartz A Microfiber, 99.999% SiO2, High-Temp Binderless - 2.2µm, 125mm - 100/pk SKU: LE-Q1250

Featuring binderless quartz microfiber technology delivering exceptional 99.999% filtration efficiency for extreme temperature air monitoring applications. Ultra-high purity SiO2 construction with EPA PM10 compliant¹ performance characteristics provides validated analytical protocols for acidic gases, aerosols, and combustion emissions requiring critical trace analysis. Operating temperature range up to 1000°C maintains thermal stability without degradation, maximizing analytical accuracy in high-temperature stack gas monitoring and atomic absorption spectroscopy applications.

Key Quartz Microfiber Membrane Characteristics

• Binderless quartz construction eliminates organic contamination and maintains 99.999% purity at extreme temperatures
• Ultra-high purity SiO2 with minimal metals content delivers contamination-free results for critical trace analysis applications
• Exceptional thermal stability withstands continuous operation to 1000°C without dimensional change or performance degradation
• 2.2µm particle retention efficiency captures fine particulates while optimizing airflow in high-volume sampling applications
• Hydrophobic surface chemistry resists moisture interference during ambient air and stack gas monitoring protocols

Key Construction Characteristics

• Fine porosity microfiber matrix achieves 99.999% efficiency for 2.20µm particles in air filtration protocols
• Robust tensile strength of 215g/15mm (ASTM D828²) ensures handling integrity during filter installation and changeout
• Loss on ignition below 6% validates chemical purity for gravimetric analysis and elemental determinations
• Standard 125mm diameter accommodates high-volume sampling equipment and universal filter holder configurations
• Autoclavable glass construction enables pre-cleaning protocols for ultra-trace metal analysis applications

LE-Q1250 filters achieve exceptional 1.1-1.35 m³/min flow rates optimized for ambient air monitoring, accelerating sampling cycles during extended monitoring campaigns. Outstanding chemical resistance to all acidic gases except hydrofluoric acid 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 critical environmental monitoring and atomic absorption spectroscopy applications demanding both extreme temperature tolerance and certified analytical accuracy.