ISO 7263-1:2018 PDF

Name: ISO 7263-1:2018 — Corrugating medium — Determination of the flat crush resistance after laboratory fluting — Part 1: A-flute
SKU: ISO 7263-1:2018
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Corrugating medium — Determination of the flat crush resistance after laboratory fluting — Part 1: A-flute

Название (английский):

ISO 7263-1:2018

Corrugating medium — Determination of the flat crush resistance after laboratory fluting — Part 1: A-flute

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 12
Дата публикации:: 13 декабря 2018 г.
Издание:: ISO IS 7263 edition 1 version 1
ICS:: 85.080.30

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Описание (английский):

This document describes a method for the determination of the flat crush resistance of a corrugating medium after laboratory fluting using an A-flute geometry. The procedure is applicable to any corrugating medium intended to be used, after fluting, in the manufacture of corrugated board. NOTE ISO 7263-2 describes a method to determine the flat crush resistance using a B-flute geometry.

Abstract

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Стандарты, упомянутые в описании

Overview

ISO 7263-1:2018 - Corrugating medium - Determination of the flat crush resistance after laboratory fluting - Part 1: A‑flute - specifies a laboratory test method to measure the flat crush resistance of a corrugating medium after it has been fluted using an A‑flute geometry. The procedure applies to any corrugating medium intended for use in corrugated board manufacture and provides repeatable test conditions for quality control, product development and supplier specification.

Key topics and technical requirements

Scope and principle: Flute the paper between heated corrugating rolls, bond a facing strip, then apply a perpendicular crushing force to determine the maximum load before flute collapse (flat crush resistance).

Two timing procedures:

Immediate testing: compress 15–25 s after fluting.
Reconditioned testing: compress after reconditioning 30–35 min in the standard atmosphere.

Apparatus and settings:

Corrugating rolls heated to 175 °C ± 8 °C, one driven at 4.5 r/min ± 1.0 r/min; force between rolls approx. 100 N ± 10 N.
A‑flute roll geometry defined (roll diameter ~228.5 mm, tooth depth ≈4.75 mm, tooth spacing ≈8.55 mm); rack and comb to support test piece.
Pressure‑sensitive tape as facing (low stretch, non‑moisture transferring).
Flat crush tester: fixed‑platen motor‑driven per ISO 13820, using 400‑grit sandpaper on platens, compression rate 12.5 mm/min.

Specimen preparation:

Cut at least 10 test pieces, 12.7 mm ± 0.1 mm width and 150–160 mm length (machine direction).
Condition samples per ISO 187; measure grammage per ISO 536 if calculating an index.

Results:

Report flat crush resistance (force at failure) and, if required, the flat crush resistance index (flat crush resistance divided by paper grammage).

Precision and maintenance: Annex B contains precision data; Annex A covers maintenance of fluting rolls.

Applications and users

Quality control laboratories in paper mills and corrugating‑medium manufacturers

Packaging engineers and converters specifying raw materials for corrugated board

R&D teams developing fluting media or flute profiles (A‑flute performance)

Suppliers and buyers using objective test data for supplier acceptance and performance comparison

Related standards

ISO 7263-2 - same method for B‑flute geometry

ISO 3035 - flat crush resistance testing of manufactured corrugated board

ISO 13820, ISO 187, ISO 536 - referenced test‑equipment, conditioning and grammage methods

Keywords: ISO 7263-1:2018, corrugating medium, flat crush resistance, A‑flute, laboratory fluting, corrugated board testing, flat crush tester, packaging quality control.

ISO 7263-1:2018 PDF

Abstract

Похожие стандарты

Overview

Key topics and technical requirements

Applications and users

Related standards

Технические детали

ISO 13820:1996

Paper, board and corrugated fibreboard — Description and calibration of compression-testing equipment

BS EN ISO 18771:2020

Anodizing of aluminium and its alloys. Method to test the surface abrasion resistance using glass-coated abra…

SIST EN ISO 5361:2023/A1:2026

Anaesthetic and respiratory equipment - Tracheal tubes and connectors - Amendment 1: Reinstatement of third e…

SIST EN ISO 7263-2:2019

Corrugating medium - Determination of the flat crush resistance after laboratory fluting - Part 2: B-flute (I…

SIST EN ISO 3035:2025

Corrugated fibreboard - Determination of flat crush resistance (ISO 3035:2025)