BS EN ISO 16276-1:2007
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Corrosion protection of steel structures by protective paint systems. Assessment of, and acceptance criteria for, the adhesion/cohesion (fracture strength) of a coating Pull-off testing
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English
29-06-2007
This part of ISO16276 specifies procedures for assessing the fracture strength of a protective paint coating of any thickness on a steel substrate of thickness not less than 10mm. The procedures given in this part of ISO16276 are based on methods used with different types of pull-off test equipment. The results obtained using such different types of equipment are not comparable.
NOTE1 Substrates of less than 10mm in thickness can be tested if they are strengthened by the sandwich technique (see ISO4624) or by the nature of the structure (e.g. I-beam or backing-plate). Otherwise, test panels with a thickness of at least 10mm coated in the same way as the structure can be used, or the method specified ISO16276-2 can be used.
This part of ISO16276 is only applicable if a fracture strength value is specified, together with the type of test equipment and the manufacturer of the equipment. Usually, this information is included in contract documentation.
NOTE2 A value for the fracture strength is only meaningful if the requirements concerning the ambient conditions (see 6.4.2) are met.
This part of ISO16276 also specifies suitable equipment and defines inspection areas, sampling plans and acceptance/rejection criteria.
It does not give any values of the fracture strength of different protective paint coatings.
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