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Precision Woven Filter Meshes

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Precision Woven Synthetic Filter Mesh

What is Precision Woven Filter Mesh

It is a synthetic woven filter mesh made of monofilament yarn, specialized in defined and controlled, consistent and repeatable material properties such as mesh opening (pore size), fabric/mesh thickness, tensile strength, dimensional stability, cleanliness and so on.

Advantages of Precision Woven Filter Mesh

  1. Yarn Diameter and evenness are carefully controlled to ensure high level from lot-to-lot
  2. Openings are controlled to tight tolerance and aperture control is inherent to manufacturing process
  3. Mesh Surface properties are even and consistent
  4. Thickness tolerance is within microns through entire rolls and lots
  5. Cleanliness meets rigid and strict standards
  6. Consistence is well-governed for each lot

Open Mesh Terminology

Aperture width w is the distance between two adjacent

warp or weft wires.

Wire diameter d is the diameter of the wire in the woven



Pitch p is the distance between the middle point of two

adjacent wires or the sum of the aperture width w and the

wire diameter d.

Warp: All wires running lengthwise of the cloth as woven.

Weft: All wires running across the cloth as woven.

Open Area, Ao: The percentage of the area of

all the apertures in the total screening surface

Ao = 100 . (w : p)2

Type of weave is the way in which the warp and weft

wires cross each other.

The number of apertures per unit length n is the number

of apertures which are counted in a row one behind the

other for a given unit length. The unit length may be 1 cm,

 1 inch or any other unit of length. (The number of

apertures with a length of 24.5 mm is designated as


Mesh = number of apertures per English inch = 25.4 : p

n/cm = number of apertures per cm = 10 : p

n/cm2 = number of apertures per cm2 = (10 : p)2

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