BS EN ISO 8503-3:2012
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Preparation of steel substrates before application of paints and related products. Surface roughness characteristics of blast-cleaned steel substrates Method for the calibration of ISO surface profile comparators and for the determination of surface profile. Focusing microscope procedure
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English
31-03-2012
This part of ISO8503 specifies the optical microscope and describes the procedure for calibrating ISO surface profile comparators conforming to the requirements of ISO8503-1. This part of ISO8503 is also applicable to the determination of the surface profile, within the range =20μm to 200μm, of essentially planar blast-cleaned steel. The determination can be carried out on a representative section of the blast-cleaned substrate or, if direct observation of the surface is not feasible, on a replica of the surface (see AnnexE). NOTE Where appropriate, this procedure can be used for assessing the roughness profile of other abrasive blast-cleaned substrates. An alternative procedure is described in ISO8503-4.
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