SIST EN ISO 12945-4:2021 PDF

Name: SIST EN ISO 12945-4:2021 — Textiles - Determination of fabric propensity to surface pilling, fuzzing or matting - Part 4: Assessment of pilling, fuzzing or matting by visual analysis (ISO 12945-4:2020)
SKU: SIST EN ISO 12945-4:2021
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Textiles - Determination of fabric propensity to surface pilling, fuzzing or matting - Part 4: Assessment of pilling, fuzzing or matting by visual analysis (ISO 12945-4:2020)

Название (английский):

SIST EN ISO 12945-4:2021

Textiles - Determination of fabric propensity to surface pilling, fuzzing or matting - Part 4: Assessment of pilling, fuzzing or matting by visual analysis (ISO 12945-4:2020)

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 13
Дата публикации:: 7 декабря 2020 г.
ICS:: 59.080.01
Технический комитет:: ITEK - Textile and textile products

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Описание (английский):

This document specifies a method for the visual assessment of pilling, fuzzing, and matting respectively of textile fabrics. This method is applicable to most of woven and knitted fabrics, including napped fabrics (fleeces, inlay fabrics).

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

EN ISO 12945-4:2020 - Textiles: Determination of fabric propensity to surface pilling, fuzzing or matting - Part 4 - specifies a standardized visual assessment method for evaluating pilling, fuzzing and matting on textile fabrics. The method is applicable to most woven and knitted fabrics, including napped constructions (e.g., fleeces and inlay fabrics). It complements the physical abrasion/tumble methods defined in other parts of ISO 12945.

Key topics and requirements

Scope: Visual grading of surface deterioration (pilling, fuzzing, matting) after specimens are prepared and treated according to ISO 12945‑1, ISO 12945‑2 or ISO 12945‑3.

Assessment environment: Use an assessment unit illuminated with artificial daylight D65 (per ISO 3668), brightness ≥ 600 lx, warm‑up ≥ 10 min; illuminant positioned at 5°–15° to specimen plane; assessment in a darkened room to avoid stray light.

Viewing distance & placement: Observer’s eye 30–50 cm from specimen; tested specimen mounted left, reference right; remove loose debris before grading.

Grading scales: Separate 5‑point descriptive scales for pilling, fuzzing and matting (5 = no change; 1 = severe/dense). Half‑grades (e.g., 3-4) are permitted and can be reported digitally (e.g., “3,5”).

Observers & results: Multiple observers recommended. Laboratory result is the average of observer averages. If observer disagreement ≥ 1 grade persists, report minimum and maximum in addition to the mean.

Supporting tools: Photographic rating standards or in‑house visual references may be used if agreed and reported. An “extreme condition” check (rotating specimen to accentuate defects) may be used and must be reported.

Reporting: Include method used (reference part for specimen preparation), lighting/assessment unit details, grades, observer data and any photographic standards used.

Practical applications and users

This standard is essential for:

Textile manufacturers and mills for quality control of finished fabrics.

Independent test laboratories performing standardized fabric testing.

Apparel and home‑textile brands specifying fabric durability and appearance retention.

R&D teams evaluating new fiber blends, finishes or fabric constructions for resistance to pilling, fuzzing and matting.

Specifiers and procurement teams requiring consistent visual performance metrics.

Keywords: EN ISO 12945-4:2020, textile pilling, fuzzing, matting, visual assessment, fabric testing standard, pilling assessment.

SIST EN ISO 12945-4:2021 PDF

Abstract

Похожие стандарты

Overview

Key topics and requirements

Practical applications and users

Related standards

Технические детали

ISO 12945-4:2020

Textiles — Determination of fabric propensity to surface pilling, fuzzing or matting — Part 4: Assessment of…

BS EN ISO 12945-4:2020

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SIST EN ISO 12945-1:2021

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BS EN ISO 12945-2:2020

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SIST EN ISO 12945-3:2021

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SIST EN ISO 3668:2020

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