SIST ISO 1763:2021 PDF

Name: SIST ISO 1763:2021 — Textile floor coverings - Determination of number of tufts and/or loops per unit length and per unit area
SKU: SIST ISO 1763:2021
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Textile floor coverings - Determination of number of tufts and/or loops per unit length and per unit area

Название (английский):

SIST ISO 1763:2021

Textile floor coverings - Determination of number of tufts and/or loops per unit length and per unit area

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 9
Дата публикации:: 7 сентября 2021 г.
ICS:: 97.150
Технический комитет:: ITEK - Textile and textile products

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Описание (английский):

This document specifies a method for the determination of the number of tufts and/or loops per unit length and per unit area of a textile floor covering. It is applicable to textile floor coverings with the pile of which consists of tufts and/or loops.

Abstract

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Стандарты, упомянутые в описании

Overview

SIST ISO 1763:2021 is an international standard developed by the International Organization for Standardization (ISO) that specifies a precise method for determining the number of tufts and/or loops per unit length and per unit area in textile floor coverings. This standard applies to textile floor coverings where the pile consists of tufts and/or loops, making it essential for assessing the density and construction quality of carpets, rugs, and artificial turf products. The latest 2020 edition updates and replaces the earlier 1986 version, including newly added methodologies tailored for artificial turf measurement.

Key Topics

Scope and Applicability SIST ISO 1763:2021 is relevant to textile floor coverings with pile formed by tufts or loops, including woven and machine-made carpets and artificial turf.

Definitions

Tuft: A J-shaped, U-shaped, or W-shaped length of yarn forming the pile of the carpet.
Loop: Length of pile-forming yarn between two successive fixation points in carpet backing.

Measurement Principle The standard requires counting the tufts and/or loops over a minimum length of 100 mm, ensuring at least 41 complete tufts or loops are included. Measurements are taken both parallel and perpendicular to the carpet’s selvedge (edge).

Apparatus and Conditioning Use of a metric ruler and conditioning of test specimens in controlled temperature and humidity conditions (20 ± 2 °C, 65 ± 4% RH) to ensure accurate and consistent measurements.

Test Specimen Selection Four representative areas should be selected from a sample, each with edges containing at least 41 tufts or loops, avoiding borders within 100 mm of the specimen edges.

Counting Procedure Counting involves measuring the distance covered by the tufts/loops and calculating their density per unit length (both longitudinally and transversely). For non-uniform or hard-to-count carpets, pile shearing before counting is permitted. For artificial turf, counts are performed on the backside, focusing on backing and tuft rows.

Expression of Results The standard provides formulae to calculate the number of tufts/loops per unit length (S and G) and per unit area (e.g., per 10,000 mm² or 0.01 m²). Values should be reported with an accuracy of one decimal place.

Test Reporting Requirements Reports must include confirmation of adherence to ISO 1763, measured values, tuft types, construction forms if non-uniform, and any special observations relevant to the product.

Applications

Quality Control in Carpet Manufacturing Measuring tuft and loop density helps manufacturers ensure consistent pile construction, durability, and aesthetic quality for textile floor coverings.

Artificial Turf Specification The inclusion of a specific method for artificial turf supports manufacturers and installers in verifying tuft density, influencing performance characteristics such as cushioning and wear resistance.

Product Development and Research Accurate tuft and loop counts facilitate comparative analysis between different carpet designs and materials, assisting in innovation and product improvement.

Compliance and Certification Textile testing laboratories and certification bodies utilize ISO 1763 to verify product specifications for regulatory compliance and customer assurance.

Related Standards

ISO 1957 – Machine-made Textile Floor Coverings - Selection and Cutting of Specimens for Physical Tests Guides the preparation of test specimens used in tuft and loop density measurements.

ISO 2424 – Textile Floor Coverings - Vocabulary Provides essential definitions and terminology related to tufted and looped textile floor coverings to ensure consistent understanding and communication.

SIST ISO 1763:2021 PDF

Abstract

Похожие стандарты

Overview

Key Topics

Applications

Related Standards

Keywords

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