ISO 16276-1:2007 PDF

Corrosion protection of steel structures by protective paint systems — Assessment of, and acceptance criteria for, the adhesion/cohesion (fracture strength) of a coating — Part 1: Pull-off testing

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Title (English):

ISO 16276-1:2007

Document status:: Withdrawn
Format:: Electronic (PDF)
Number of pages:: 9
Publication date:: May 18, 2007
Edition:: ISO IS 16276 edition 1 version 1
ICS:: 87.020

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Description (English):

ISO 16276-1:2007 specifies procedures for assessing the fracture strength of a protective paint coating of any thickness on a steel substrate of thickness not less than 10 mm. The procedures given in this part of ISO 16276 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. This part of ISO 16276 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.

Technical details

Technical committee: ISO/TC 35/SC 14 - Protective paint systems for steel structures
SKU: ISO 16276-1:2007

Abstract

Overview

ISO 16276-1:2007 defines a standardized procedure for assessing the fracture strength (adhesion/cohesion) of protective paint coatings on steel structures using pull-off testing. Intended for coatings on steel substrates of at least 10 mm thickness, this part specifies suitable equipment, inspection areas, sampling plans and acceptance/rejection criteria, but does not provide numeric fracture-strength values. The standard emphasizes that results from different pull-off devices are not directly comparable, so the test equipment and manufacturer should be specified in contract documentation.

Keywords: ISO 16276-1, pull-off testing, fracture strength, adhesion, cohesion, protective paint systems, steel structures, acceptance criteria

Key topics and technical requirements

Scope: Assessment of fracture strength for coatings of any thickness on steel ≥ 10 mm; test-panels or sandwich techniques referenced for thinner substrates.
Terminology: Introduces “fracture strength” to cover both adhesion (coat–substrate) and cohesion (within a coat).
Test principle: Fix test cylinders (dollies) to the coating with adhesive, apply perpendicular tensile force until fracture; measure the force.
Apparatus & consumables:
- Tensile/pull-off apparatus (manufacturer and model must be agreed/specifed).
- Dollies (typically ~20 mm diameter; stainless steel or aluminium; length ≥ half diameter).
- Adhesives suitable for the coating (e.g., 2-pack epoxy, 1-pack cyanoacrylate).
- Circular cutting device for isolating the test area.
Procedural controls:
- Calibration of measurement equipment is required.
- Force must be applied uniformly, ≤ 1 MPa/s, with fracture occurring within 90 s.
- Coating cure: follow manufacturer; otherwise dry/cure ≥ 10 days at substrate temperature >15 °C and RH

Related standards

Mentioned in the description and other ISO standards

Overview

Keywords: ISO 16276-1, pull-off testing, fracture strength, adhesion, cohesion, protective paint systems, steel structures, acceptance criteria

Key topics and technical requirements

Scope: Assessment of fracture strength for coatings of any thickness on steel ≥ 10 mm; test-panels or sandwich techniques referenced for thinner substrates.
Terminology: Introduces “fracture strength” to cover both adhesion (coat–substrate) and cohesion (within a coat).
Test principle: Fix test cylinders (dollies) to the coating with adhesive, apply perpendicular tensile force until fracture; measure the force.
Apparatus & consumables:
- Tensile/pull-off apparatus (manufacturer and model must be agreed/specifed).
- Dollies (typically ~20 mm diameter; stainless steel or aluminium; length ≥ half diameter).
- Adhesives suitable for the coating (e.g., 2-pack epoxy, 1-pack cyanoacrylate).
- Circular cutting device for isolating the test area.
Procedural controls:
- Calibration of measurement equipment is required.
- Force must be applied uniformly, ≤ 1 MPa/s, with fracture occurring within 90 s.
- Coating cure: follow manufacturer; otherwise dry/cure ≥ 10 days at substrate temperature >15 °C and RH

ISO 16276-1:2007 PDF

Technical details

Abstract

Overview

Key topics and technical requirements

Related standards

Abstract

Overview

Key topics and technical requirements

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