ISO 16276-2:2025 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 2: Cross-cut testing and X-cut testing

Название (английский):

ISO 16276-2:2025

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 8
Дата публикации:: 14 мая 2025 г.
Издание:: ISO IS 16276 edition 2 version 1
ICS:: 87.020

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Описание (английский):

This document specifies procedures for assessing the resistance of paint systems when a cut in the form of a right-angle lattice pattern (cross-cut) or in the form of an X (X-cut) is made into the paint, penetrating through to the substrate. This document is only applicable if the cross-cut or X-cut test method is specified, together with the rating from the appropriate rating scale. This document also specifies suitable equipment and defines inspection areas, sampling plans and acceptance/rejection criteria. It does not specify ratings for particular coating systems.

Технические детали

Технический комитет: ISO/TC 35/SC 14 - Protective paint systems for steel structures
SKU: ISO 16276-2:2025

Abstract

Overview

ISO 16276-2:2025 - Corrosion protection of steel structures by protective paint systems - specifies procedures and acceptance criteria for assessing the adhesion/cohesion (fracture strength) of coatings using cross-cut testing and X-cut testing. This edition defines suitable equipment, inspection areas, sampling plans and pass/fail criteria for use when either the cross-cut or X-cut method is contractually specified. The standard supplements ISO 12944 field assessment guidance and does not prescribe ratings for specific coating systems.

Key topics and technical requirements

Test methods: Describes the principles and practical steps for the cross-cut (right-angle lattice) and X-cut (two cuts forming an X) tests. Results are expressed on a qualitative 0–5 rating scale for damage.
Applicability limits:
- Cross-cut test suitable for coating thicknesses up to 250 µm.
- X-cut test has no thickness limitation and is preferred for hard or thick coatings.
Apparatus and materials:
- Cross-cut: multiple‑blade cutter or individual cutting tool with guides per ISO 2409.
- X-cut: template, single‑blade cutter and pressure‑sensitive adhesive tape.
Procedure and site conditions:
- Tests are destructive; use test panels where appropriate to avoid structural damage.
- Coatings must be dried/cured per manufacturer’s instructions. If none are given, the default is at least 10 days, substrate temperature > 15 °C and relative humidity

Overview

Key topics and technical requirements

Test methods: Describes the principles and practical steps for the cross-cut (right-angle lattice) and X-cut (two cuts forming an X) tests. Results are expressed on a qualitative 0–5 rating scale for damage.
Applicability limits:
- Cross-cut test suitable for coating thicknesses up to 250 µm.
- X-cut test has no thickness limitation and is preferred for hard or thick coatings.
Apparatus and materials:
- Cross-cut: multiple‑blade cutter or individual cutting tool with guides per ISO 2409.
- X-cut: template, single‑blade cutter and pressure‑sensitive adhesive tape.
Procedure and site conditions:
- Tests are destructive; use test panels where appropriate to avoid structural damage.
- Coatings must be dried/cured per manufacturer’s instructions. If none are given, the default is at least 10 days, substrate temperature > 15 °C and relative humidity

ISO 16276-2:2025 PDF

Технические детали

Abstract

Overview

Key topics and technical requirements

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Abstract

Overview

Key topics and technical requirements

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