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This medium thick paper offers extremely high flow and is both recommended for electrophoresis of large molecules and as a blotter to complete the blotting sandwich in gel transfer applications. Ahlstrom 222 has a smooth and uniform texture which assures continuous contact of buffer from the chamber through the gel and transfer membrane to the opposite pole or weight.

Thick papers are 100% cotton grades that are used in chromatography techniques where solutes are heavily loaded. Thick papers are ideal grades for electrophoresis techniques.