Light micrograph of 3M filter fibres

Light micrograph of 3M filter fibres

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Caption: Polarized light micrograph of electrostatic filter fibres manufactured by the 3M company. The fibres boast a wide application but have proved to be of particular value as a component of filter cannisters for industrial face masks or indeed any personal breathing equipment used where air is fit to breathe but for air-borne particulate matter. The fibres remove particulate matter from the air by electrostatic charge attraction. The efficiency with which this is done allows a more open mesh to be employed than is possible with conventional barrier filters. Hence, air flow is not greatly reduced, allowing the user relatively unrestricted breathing. Magnification: x200 at 35mm size.

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Keywords: breathing equipment, chemical, chemistry, compound, compounds, electrostatic, electrostatic filter fibres, filter, filter fibres, materials, synthetic material

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