ISO 11347:2024

Name: ISO 11347:2024 — Ships and marine technology — Large yachts — Measurement and assessment of the visual appearance of coatings
SKU: ISO 11347:2024
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Ships and marine technology — Large yachts — Measurement and assessment of the visual appearance of coatings

Название (английский):

ISO 11347:2024

Ships and marine technology — Large yachts — Measurement and assessment of the visual appearance of coatings

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 28
Дата публикации:: 23 октября 2024 г.
Издание:: ISO IS 11347 edition 2 version 1
ICS:: 47.040

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Описание (английский):

This document specifies technical requirements for the measurement and assessment of the visual appearance of the superficial coating of large yachts. It is valid for coatings above the waterline. For the purpose of this document, large yachts are of length of hull (LH) higher or equal to 24 m (as defined according to ISO 8666), in use for sport or leisure and commercial operations. This document describes how the final finish can be evaluated before its acceptance.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

ISO 11347:2024 - Ships and marine technology - Large yachts - Measurement and assessment of the visual appearance of coatings - defines technical requirements and practical measurement procedures for evaluating the above‑waterline superficial coatings of large yachts (length of hull LH ≥ 24 m as per ISO 8666). This second edition updates terms, normative references and the test/recording methods used to assess the final finish before acceptance.

Key topics and technical requirements

Scope & intent: Applies to large yachts used for sport, leisure or commercial operations; focuses on appearance inspection and acceptance of the final top coat above the waterline.

Measurement vs visual assessment: Combines objective instrument measurements and standardized visual observations (normal or corrected vision, 500–1 000 lx or daylight, viewing distance >75 cm, incident angle ≥30°).

Measurable effects (instrument-based):

Fairness - large‑scale surface smoothness; measured with a linear bar and feeler gauge (Annex A).
Distinction of image (DOI) - clarity of reflected image; measured by optoelectronic devices (wave‑scan, goniophotometer) (Annex B).
Orange peel - texture similar to citrus skin (0.1–30 mm wavelengths); measured optoelectronically (Annex C).
Microstructure - sub‑0.1 mm features affecting visual perception; measured with wave‑scan or goniophotometer (Annex D).
Colour - spectral measurement using spectrophotometers (Annex E).
Gloss - measured according to ISO 2813 and Annex F.
Particulate contamination - measurement methods in Annex G.

Visually assessed effects (classified into three groups):

Group 1 - point defects (cratering, fisheyes, pinholes, dimples)
Group 2 - localized defects (sags, brush marks, sanding marks, tape/cut lines, blisters per ISO 4628‑2, cracking per ISO 4628‑4, etc.)
Group 3 - generalized defects (blushing, blooming, print‑through, overspray, cissing, striping/clouding)

Documentation: Normative annexes A–G specify test methods; Annexes H–J define recording methods for the three visual groups.

Applications and users

Who uses it: yacht builders, shipyards, paint and coatings manufacturers, quality control inspectors, marine surveyors, naval architects, owners and purchasing agents.

Practical uses: acceptance inspections, contract compliance, quality assurance in painting and finishing, benchmarking coating performance, refurbishments and repairs, supplier and warranty disputes resolution.

Related standards

ISO 2813 (gloss measurement)

ISO 4618 (paints and varnishes vocabulary)

ISO 4628‑2, ISO 4628‑4 (blistering, cracking assessment)

ISO 8666 (yacht dimensions and LH definition)

Keywords: ISO 11347:2024, large yachts, coatings, visual appearance, fairness, DOI, orange peel, microstructure, colour measurement, gloss, particulate contamination, yacht inspection, marine coating standards.

ISO 11347:2024

Abstract

Похожие стандарты

Overview

Key topics and technical requirements

Applications and users

Related standards

Технические детали

ISO 8666:2020

Small craft — Principal data

BS EN ISO 2813:2014

Paints and varnishes. Determination of gloss value at 20 degrees, 60 degrees and 85 degrees.

ISO 4628-2:2003

Paints and varnishes — Evaluation of degradation of coatings — Designation of quantity and size of defects, a…

ISO 4628-4:2016

Paints and varnishes — Evaluation of degradation of coatings — Designation of quantity and size of defects, a…

ISO 4618:2014

Paints and varnishes — Terms and definitions