1. Materials: You should test the materials by special machine or liquid. And mainly test the Nickle and chromium percentage composition.
2. Aperture & Wire diameter &Width & Length: The tolerance on Aperture & Wire diameter &Width & Length, shall be the larger of +_ 0.5% or +_1Pitch, no less than customer required.
3. Weaving: The mesh weaving should be exactly confirmed the customers’ requirement (such as plain weave, twill weave, dutch weave etc.)
4. Flatness: The mesh surface should be flat when open per roll. If there is trail after opening, it is not good.
5 . Mesh Blemishes: The following are the blemishes per 10m2 according to different mesh count. If the number is over this, it will not be good mesh.
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