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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ISO Preparation of steel substrates before 198400 of paints and related products — Surface roughness characteristics of blast-cleaned steel substrates ISO Preparation of steel substrates before application of paints and related products – Surface preparation methods — Part 2: Veriication shall then be carried out on uncoated test plates 5. Following the results of fulfillment and inspection of painting processes a person responsible for those issues a Painting Report in accordance with enclosed forms.

Design considerations ISOPaints and varnishes — Corrosion protection of steel structures by protective paint systems — Part 4: This second edition cancels and replaces the irst edition ISO They can only be adjusted at one particular point on the scale, and this adjustment will have a limited effect on calibration over the full range. In this standard, individual readings are used.

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Acceptance criteria: ISO and coating system

The measurement instruments used are adjusted. The thickness of the dry ilm above the peaks of the proile is deined as the instrument reading minus 1984 appropriate correction value. Rotary Wheel Heat Exchangers. The electrical and magnetic properties of the substrate can vary depending on differences in its chemical composition and morphological structure, e. For the measurement, a sampling plan is laid down as well as an appropriate correction value.

Workplaces should be accessible for inspection of safety data sheets of applied paints by personnel.

Various forms of the instrument are available, including 18940 simple pencil type, a spring balance type and another type to which tension is applied by turning a calibrated circular dial until the magnet and attached spring detach from the coated surface.


The instrument is now ready for use. Annex B describes a method for multiple readings. If a sample showing the surface proile is available and rfee proile is not in accordance with ISOthe correction value shall be determined in accordance with Annex D. Rust grades and preparation grades of uncoated steel substrates and of steel substrates after overall removal of previous coatings [2] ISOPreparation of ido substrates before application of paints and related products — Visual assessment of surface cleanliness —Part 2: Instruments using the eddy current principle can be used but their use is normally on non-ferrous metal surfaces.

Instruments as described in 5. Log In Sign Up. Each coat layer shall be applied uniformly over isl whole surface. The minimum number of randomly taken measurements to be taken for verifying the dry-ilm thickness on inspection areas is given in Table 1.

Acceptance criteria: ISO 19840 and coating system

Representative photographic examples of the change of appearance imparted to steel when blast-cleaned with different abrasives ISO At a substrate thickness of above approximately 5 mm, the effect is generally insigniicant. One test on one batch should be done.

Number of repeated measurements: NOTE Other methods using a similar principle are available. Click here to sign up. 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.

It is necessary to handle painting materials very accurately, prevent their hit into the earth, reservoirs.

Pre qualification Page 8 of 9 2. If the number of readings is not speciied in the contract or speciication, ive individual readings see 3. If the structure has tree been divided into individual inspection areas, the whole structure is considered as the inspection area for measuring the dry-ilm thickness. The number of measurements given is generally considered as being representative for inspection areas for the purposes of this International Standard. In case of paints are stored in a cold premise, it is necessary to place them before usage for a while in warm that they were adequately warmed.


See the technical information provided by the instrument manufacturer. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Applied personal protection equipment Passes, curtaining, overflows and drops should be avoided.

When using this method, the following details of this International Standard do not apply: They measure the force required to overcome the magnetic attraction between a magnet and a magnetic substrate. Adjust the scale reading to the value of the shim. NOTE 2 For deviating surface proiles or in the case of particular agreements between the interested parties, a method for determining the correction value to be used is given in Annex D.

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Repair of defects 3. Page 3 of 9 Acceptance criteria: The irst value shall then be rejected and replaced by the result of the repeated measurement. In this case, the arithmetic mean value of the four readings ido used in place of an individual reading. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. Extreme temperatures can affect instrument performance.

Ideally, gauges should be adjusted using a sample of steel which is truly representative of the substrate to be tested.

Development of speciications for new fref and maintenance 3 Terms and deinitions For the purposes of this document, the following terms and deinitions apply. Page 4 of 9 Prior to measurement of thickness a film shall reach sufficient degree of hardness. ISO and coating system advertisement. During application of anticorrosive coatings only accepted by painting system 7 paints and solvents should be applied.