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Absolute Filtration Rating / Aperture

Related Words : Absorption
Definition : The diameter of the largest hard spherical particle that will pass through a filter under specified test conditions. This is an indication of the largest opening in the filter cloth
Related Content : Absolute filtration rating

Related Words : Hole Size, Opening, Perforated Metal, Filtration
Definition : Aperture is a clear opening or hole through which a product will fall through.

Hole Size

Related Words : Aperture, opening
Definition : Width or diameter of a hole, can be either round, square or slotted.

Imperial Mesh

Related Words : Mesh count, number of holes, aperture
Definition : Number or wires counted in a row over a 25.4mm distance.


Related Words : Millimetres
Definition : A micron is a unit of measure that is one thousandth of a millimetre.

Nominal Filter Rating

Related Words : Airflow, aperture
Definition : This is the term used to for filter rating at 98% efficiency.

Open Area

Related Words : Airflow, Air permeability, free space

Definition : Percentage of free area in woven wire mesh or perforated metal.

Perforated Metal / Pitch

Perforated Metal
Related Words : Aperture, Opening, Open Area, Stainless Steel, Mild Steel, Aluminium
Definition : Perforated Metal is a key offering of Sefar Metal Mesh. Perforated Metal has many uses such as filtration, aesthetic appeal for building façades and architectural features.

Related Words : centres to centres, staggered, in-line
Definition : This is the distance from centre to centre of wire threads or in perforated metal the distance from centre to centre of holes.

Warp / Weft / Wire Diameter

Related Words : Wire, thread, weave
Definition : Wire threads running down the length of the roll.

Related Words : Wire, thread, weave
Definition : Wire threads running across the width of the roll.

Wire Diameter
Related Words : Thread
Definition : Wire thickness in millimetres or microns.



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