... , shielding effectiveness of a single layer of wire mesh will reduce the 5-10dB, more than two ... improve efficiency.This is a kind of woven wire mesh with elasticity and conductivity of porous elastic materials, ... the elastic core of the lining of the tolerance MESH STRIPRectangular body (mm)Circular elasticOverall width, single-round ... grille, you can get along plus 0.79mm. Rubber core mesh liner