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What are the dimensional tolerances on PERSPEX sheet thicknesses?

April 26, 2017dimensional perspex Sheet thicknesses tolerances

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What are the dimensional tolerances on PERSPEX sheet thicknesses?

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Cast PERSPEX is manufactured in accordance with ISO7823-1, which means for the thickness range of 2 to 25mm, a production tolerance of +/-10% plus 0.4mm (eg 8mm cast sheet could vary from 6.8mm to 9.2mm). Extruded PERSPEX is manufactured in accordance with ISO7823-2, ie to a thickness tolerance of +/-10% for sheet thicknesses below 3mm and +/-5% for sheet thicknesses of 3mm and above.