This product conforms to the AOAC standards for binderless glass microfiber moisture analysis pads for food analysis. Also widely used in industrial QA test methods such as moisture content of plastic resins, gels, pastes and semi-solids. This product is manufactured to the same high standards as IWT analytical filter media using QA test methods including HPLC analysis of extractables, caliper, porosity and basis weights. The product is compatible with every known major moisture analysis instrument utilizing convection and microwave energy sources requiring this form factor. This material cannot be confused with questionable quality commodity level product imported into the USA by some suppliers. This material is manufactured and converted into finished product in the USA by IWT under stringent ISO9001:2015 and other registrations. Lot numbers correlate to CofC and CofA provided with product. Proudly manufactured in the USA Case quantities available. Please contact us for additional details. LE-MA44A 4x4inch squares (10.16cm x 10.16cm) 400 per pack LE-MA90A 9.0cm dia disks (3.54 inch dia) 200 per pack Material thickness = 0.43mm Basis weight = 64g/m2 Compatible with these notable manufacturers and models*: Ohaus: MB23, MB27, MB35, MB45, MB90, MB120, MB32 Mettler Toledo: Halogen Moisture Analyzers (e.g., HC103, HE53, HE73, HS153, HB43-S) Sartorius: MA35, MA37, MA160, LMA200PM Arizona Instruments: Computrac series (e.g., MAX 4000XL, MAX 5000XL) CEM Corporation: Microwave moisture analyzers (e.g., Smart System 5, Smart Turbo, Smart Trac, Smart Trac 2, Smart 6) Radwag: All moisture analyzers (e.g., PMB series) A&D Company: MS-70, MX-50, MF-50, ML-50 Denver Instrument: M2 Adam equipment: PMB CSC Scientific: Various models Intell-Lab: Various models *Note - brand names, trademarks and model descriptions are for reference only. No ownership or license rights implied.