PVC safety sign board 2mm thick, tolerance selection part of the mold activity is not affected by the mold or part of the impact of the activities of the class B it? Accuracy without requirements, 1.8mm thick can meet the standard? Please let the big god to explain. thank!
Tolerances are generally plus or minus 0.1 mm
GB / T 22789.1-2008 provides general purpose grade extruded sheet thickness (d) limit deviation = ± 13%. Ie 2 ± 0.26mm. Specified special purpose grade Extrusion sheet thickness (d) Limit deviation = ± (0.1 + 0.03d). That is 2 ± 0.16mm