Whatman™ Grade 50 Quantitative Filter Paper, Hardened Low Ash

Whatman™ Grade 50 hardened low ash filter paper provides retention of finest crystalline precipitates. The thinnest of all Whatman™ quantitative filter papers. Slow flow rate. Hardened and highly glazed surface. This finish also keeps the paper free from loose surface fibers. Highly suitable for qualitative or quantitative filtrations requiring vacuum assistance on Buchner or 3-piece filter funnels. Very strong when wet. Will withstand wet handling and precipitate removal by scraping. In the electronics industry the virtual absence of fiber shedding is utilized in carriers for integrated circuits. Retention: 2.7µm.

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