ISO 3060:1974 PDF

Name: ISO 3060:1974 — Textiles — Cotton fibres — Determination of breaking tenacity of flat bundles
SKU: ISO 3060:1974
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Textiles — Cotton fibres — Determination of breaking tenacity of flat bundles

Название (английский):

ISO 3060:1974

Textiles — Cotton fibres — Determination of breaking tenacity of flat bundles

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 6
Дата публикации:: 1 июля 1974 г.
Издание:: ISO IS 3060 edition 1 version 1
ICS:: 59.060.10

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Описание (английский):

The method is applicable to fibres being tested either at a nominal gauge length of zero or at a finite gauge length. It is especially intended to be used with tensile strength test instruments which have been designed for specific use on flat bundles of cotton fibres. It may be used with other tensile strength test instruments if equipped to accomodate the fibre clamps.

Abstract

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Упомянутые в описании и другие стандарты ISO

Overview

ISO 3060:1974 specifies a standardized tensile test method to determine the breaking tenacity of cotton fibres arranged as flat bundles. The procedure applies to fibres from raw cotton, intermediate manufacturing stages, or separated from finished products, and may be used at a nominal zero gauge length or at a finite gauge length (notably 3.2 mm). The method is intended primarily for tensile instruments designed for flat bundles but can be adapted to other instruments fitted with appropriate fibre clamps.

Key practical objectives of the standard are to provide reproducible measurements, enable calibration across operators and instruments, and support quality control and research in textile testing.

Key Topics

Scope and applicability: Tests flat bundles of parallel cotton fibres; suitable for raw and processed fibres.

Specimen preparation: Tufts are prepared and combed to align fibres; specimens are kept approximately 6 mm in width and a minimum of six specimens per sample are recommended.

Conditioning: Tests are conducted in the standard atmosphere defined in ISO 139 (typically 65% ±2% RH and 20°C ±2°C, with tropical allowances), with at least 4 hours conditioning when required.

Apparatus and clamps: Instruments must achieve breaking load accuracy of 0.5%; specimen clamps, clamp vice and spacers are specified. A total clamp thickness of 11.8 mm and spacer thickness of 3.2 mm are recommended for the precision data given in the standard.

Operation and torque: Clamps are tightened using a vice or torque wrench; the recommended torque for securing clamps is 9 daN·cm to ensure consistent pre-tensioning.

Calculation and correction: Breaking tenacity is calculated from the measured breaking load and bundle mass. The standard uses unadjusted and mean tenacity calculations and allows correction of observed results using standard calibration cotton samples and a calculated correction factor for instrument/operator alignment.

Applications

Quality control of cotton fibre lots and incoming raw materials.

Calibration and inter-laboratory comparison of tensile testing instruments for fibre bundles.

Research into fibre strength, yarn prediction, and material performance where bundle tenacity is a practical proxy for individual fibre strength.

Routine laboratory testing in textile mills, research institutes, and calibration laboratories.

Related Standards

ISO 139 - Standard atmospheres for conditioning and testing textiles (referenced for conditioning requirements).

ISO/TC 38 publications - other textile test methods and definitions related to fibre and yarn testing.

Practical value: Implementing ISO 3060:1974 ensures consistent tensile test practice for flat cotton bundles, improves comparability of results through calibration samples and correction factors, and supports reliable decisions in quality control and research environments.

ISO 3060:1974 PDF

Abstract

Похожие стандарты

Overview

Key Topics

Applications

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