Flat transmission belt 1.Tensile strength of full thickness 2.uniformity in thickness and width 3.higer levels of adhesion Product specifications series,Width(mm)PliesWidth Tolerance(mm)20, 25, 30, 40, 45, 50, 55, 603--4-2≤0≤265, 70, 75,80,90, 100, 1253--6-3≤0≤3140, 160,180, 200, 224, 2504--6-4≤0≤4288, 300, 315, 350, 400, 450, 550, 6004--10-5≤0≤5 Technical date GB524-89, 1.Tensile strength of ...