SIST EN ISO 505:2025 PDF

Name: SIST EN ISO 505:2025 — Conveyor belts - Method for the determination of the tear propagation resistance of textile conveyor belts (ISO 505:2025)
SKU: SIST EN ISO 505:2025
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Conveyor belts - Method for the determination of the tear propagation resistance of textile conveyor belts (ISO 505:2025)

Название (английский):

SIST EN ISO 505:2025

Conveyor belts - Method for the determination of the tear propagation resistance of textile conveyor belts (ISO 505:2025)

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 13
Дата публикации:: 11 сентября 2025 г.
Издание:: ISO 505:2025
ICS:: 53.040.20

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Описание (английский):

This document specifies a method of test for the measurement of the propagation resistance of an initial tear in textile conveyor belts, either in full thickness or of the carcass only. This document is applicable to textile belts in installations where there is a risk of longitudinal tearing.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

EN ISO 505:2025 / ISO 505:2025 specifies a standardized laboratory method to measure the tear propagation resistance of textile conveyor belts. Adopted by CEN as EN ISO 505:2025 (approved 26 March 2025, to be implemented by October 2025), this fifth edition updates the procedure used to quantify the force required to propagate an initial longitudinal tear in either full-thickness belts or the carcass only. It supersedes EN ISO 505:2017 and is identical in text to ISO 505:2025.

Key topics and technical requirements

Principle: Tensile testing of a prepared test piece to measure the force required to propagate an initial tear.

Apparatus:

Dynamometric tensile testing machine sized so measured forces fall within the upper 90% of its rated capacity.
Adjustable separation speed of the jaws at (50 ± 10) mm/min.
Free jaw distance adjustable to at least 300 mm.
Graphical recording device to log tearing force over test length.

Test pieces:

Rectangular shape, length 300 mm (extendable if required), width (100 ± 1) mm (can be increased to 300 mm if weft threads pull out).
Thickness: full belt thickness or carcass only (covers may be removed by stripping/buffing).
Two specimens per sample: one in sense A and one in sense B.
Sampling longitudinally, minimum 50 mm from belt edges.

Conditioning:

Specimens prepared not less than 16 h after manufacturing; conditioning period not less than 8 h.
Condition in accordance with ISO 18573 using atmosphere D or E (or B or C for light belts / carcass samples). In disputes, conditioning = 72 h.

Procedure:

Mount cut ends in the jaws with inner cut edges centered in each jaw.
Continue test until tear extends at least 100 mm while recording force.

Results:

Multi-peak tear resistance traces are recorded and analyzed (ISO 6133 referenced for analysis).

Applications and who uses it

Applications:

Quality control and acceptance testing of conveyor belts used in installations where longitudinal tearing is a risk.
Comparative evaluation of belt carcass designs, materials and manufacturing processes.
Research & development for new textile conveyor belt constructions.
Safety assessment and procurement specifications for mining, bulk material handling, ports, and industrial conveyors.

Users:

Belt manufacturers, independent testing laboratories, OEMs, maintenance engineers, procurement specialists, and standards bodies.

Related standards

ISO 18573 - Conveyor belts: test atmospheres and conditioning periods (referenced for conditioning).

ISO 6133 - Analysis of multi-peak tear traces (referenced for result analysis).

ISO 21183-1 - (referenced for light conveyor belt classification in conditioning guidance).

Supersedes: EN ISO 505:2017.

Keywords: EN ISO 505:2025, ISO 505:2025, conveyor belts, textile conveyor belts, tear propagation resistance, tensile testing, test method, conditioning.

SIST EN ISO 505:2025 PDF

Abstract

Похожие стандарты

Overview

Key topics and technical requirements

Applications and who uses it

Related standards

Технические детали

ISO 505:2025

Conveyor belts — Method for the determination of the tear propagation resistance of textile conveyor belts

ISO 505:2017

Conveyor belts — Method for the determination of the tear propagation resistance of textile conveyor belts

BS ISO 18573:2024

Conveyor belts. Test atmospheres and conditioning periods.

ISO 6133:1981

Rubber and plastics — Analysis of multi-peak traces obtained in determinations of tear strength and adhesion…

BS EN ISO 21183-1:2006

Light conveyor belts. Principal characteristics and applications.