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ISO and PSPC, the term used is. “nominal dry film thickness.” • For consistency in comparisons of area in this article, square meters are used to describe. STANDARD. ISO. Second edition. Reference number. ISO (E). This is a free 5 page sample. Access the full version online. ISO Paints and varnishes – Corrosion protection of steel structures by protective paint systems – Measurement of, and acceptance.

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Design considerations ISOPaints and varnishes — Corrosion protection of steel structures by protective paint systems — Part 4: The main task of technical committees is to prepare International Standards. When, during a series of measurements, an individual dry-ilm thickness value does not meet a criterion [see 9 b and d ], a iao measurement not more than 10 mm from the point of the irst measurement shall be carried out. Schedule of clearing works shall be made in such a way to make possible to start painting as soon as possible while surface has not become soiled again.

Classiication of environments ISOPaints and varnishes — Corrosion protection of steel structures by protective paint systems — Part 3: In this case, the ixo value shall be determined in accordance with Annex D. From the mean value, subtract the known value of the foil thickness. The holder of present document is a manager of VIM.

The thickness of the dry ilm above the peaks of the proile is deined as the instrument reading minus an appropriate correction value. Paints and solvents shall be stored properly. In the event of extensive measurements, checking of the instrument using shims at least once per hour is necessary.

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To minimize measurement errors on a blast-cleaned surface, it is recommended that at least one of the shims used for adjustment be thinner than the ilm to be measured. ISO and coating system advertisement. For dated references, only the edition cited applies. Since such adjustment is more representative of the surface, the reading variations fref diminish.

Preparation grades of welds, edges and other areas with surface imperfections [4] ISOPreparation of steel substrates before application of paints and related products — Visual assessment of surface cleanliness — Part 4: Number of repeated measurements: Conditions air, surface temperature, humidity, paint temperature at fulfillment of preparatory treatment, painting works and drying of paint should not deviate from technical ixo indicated in the specifications for corresponding paints.

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Select suitable is shims for the measurement range. Readings taken in this way should be noted separately, together with the test results.

Should be done before painting.

Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. Adjust the scale reading to the value of the shim.

Acceptance criteria: ISO 19840 and coating system

In many instances, the effect of these changes will be small compared to the effect of the blast-cleaned surface inish which is dealt with in the main body of this International Standard. Packing should be in a good condition. Laboratory performance test methods ISOPaints and varnishes — Corrosion protection of steel structures by protective paint systems — Part 7: The mean dry-ilm thickness es belonging to an inspection area s shall also be given.

Purpose of procedure The procedure CP-S7 is a guide upon performance of paint works in accordance with Coating system no. If this individual dry-ilm thickness does not meet the criterion see Clause 9it shall not be replaced.

Documents connected with procedure ISO Preparation of steel substrates before application of paints and related products — Visual assessment of surface cleanliness — Frwe 1: Instruments as described in 5.

The effect of surface roughness on the measurement result increases with proile depth, but the result will also depend on the design of the measurement probe and the thickness of the coating.

Representative photographic examples of the change of appearance imparted cree steel when blast-cleaned with different abrasives ISO Introduction, paragraph 3; Clause 1, paragraph 2; 6.

Before application of each coat layer a strip painting with brash or roller of all the welded seams, internal and external corners, edges, and areas which is be completely covered by airless spraying method should be executed.

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The work of preparing International Standards is normally carried out through ISO technical committees. This example is also applicable when using the methods described in Annexes A and B. One shim should be thinner and one thicker than the NDFT of the coat s on the measurement object.

On blast- cleaned surfaces such a procedure will introduce errors. In case of paints are stored in a cold isl, it is necessary to place them before usage for a while in warm that they were adequately warmed. Condition of the cleared surface is expressed by degree of preparatory treatment and regulated by standard ISO Prior to start painting works responsible for these works person should check and consider all the possible ambiguities.

Skip to main content. The dimensions shall be at least equal to those speciied in 5. Blasting Blast clearing to be executed in specially equipped chamber.

Environment conditions Whenever possible, blasting and application of anticorrosive coatings should be executed 1840 the adapted for such works facilities workshops. ISO and coating system data sheet. The methods in Annexes A and B are intended to be used only if speciied or agreed. For maximum numbers of repeated measurements within an inspection area see Table 1.

Acceptance criteria: ISO and coating system

Connecting data records on quality 1. They measure the force required to overcome the magnetic attraction between a magnet and a magnetic substrate. Repair of defects 3. The electrical and magnetic properties of the substrate can vary depending on differences in its chemical composition and morphological structure, e. In this case, the arithmetic mean value of the four readings is used in place of an individual reading.

Inspection shall be done on every coated parts. Calibration is carried out by the gauge manufacturer using traceable thickness standards in most cases. If a coating is applied to a roughened steel substrate, the measurement of its dry-ilm thickness is more complicated than for smooth surfaces.