MicroMedia® depth filter sheets are formulated with cellulose, wet strength resin, and diatomite and/or perlite is specifically designed for use in critical applications. Filter aids used are perlite and/or diatomaceous earth which also help to improve filtration efficiencies. Wet strength resins are capable of being steam sterilized and are all free of formaldehyde. Zeta-Potential is the positively charged site within the matrix of fibers and filter aid which attracts negatively charged particles which may be smaller than the pore sizes available in the filter pad. The addition of these ingredients improves retention efficiencies by adding internal surface area and the positive charge known as Zeta-Potential. The addition of filter aids and wet strength resin differentiates MicroMedia® depth filter sheets from the AlphaMedia™ Series, but that is not where the differences end. Cannaskid™ 4 Stage Lenticular Filtration System.
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