SIST EN ISO 8295:2004 PDF

Name: SIST EN ISO 8295:2004 — Plastics - Film and sheeting - Determination of the coefficients of friction (ISO 8295:1995)
SKU: SIST EN ISO 8295:2004
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Plastics - Film and sheeting - Determination of the coefficients of friction (ISO 8295:1995)

Название (английский):

SIST EN ISO 8295:2004

Plastics - Film and sheeting - Determination of the coefficients of friction (ISO 8295:1995)

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 11
Дата публикации:: 1 октября 2004 г.
ICS:: 83.140.10
Технический комитет:: IPMA - Polimer materials and products

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Описание (английский):

Specifies a method for determining the coefficients of starting and sliding friction of plastics film and sheeting when sliding over the same or other substances. Serves primarily for quality control and does not give a comprehensive assessment of the machinability.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

SIST EN ISO 8295:2004 - "Plastics - Film and sheeting - Determination of the coefficients of friction (ISO 8295:1995)" is a European and international standard developed by CEN and ISO. This standard outlines a method for determining the static (starting) and dynamic (sliding) coefficients of friction for plastic films and sheeting against themselves or other substances. The procedure is primarily intended for quality control in manufacturing environments, ensuring that plastic films and sheets meet required slip and handling characteristics. The standard is applicable to non-sticky plastic materials with a thickness up to approximately 0.5 mm.

Key Topics

Test Methods for Friction Measurement The standard specifies procedures for measuring both static and dynamic coefficients of friction:

Static friction assesses the force needed to initiate movement between film surfaces.
Dynamic friction evaluates the resistance once movement has started.
The method uses standardized equipment, including a sled, a test table, and a specified normal force.
Conditioning requirements for samples (according to ISO 291) ensure consistency in test environments.

Scope and Limitations

The method is suitable for a wide range of flexible, non-tacky plastic films and sheets.
It is designed primarily for routine quality assurance, not for comprehensive analysis of machinability.
Provides comparable results only when test surfaces, times, and conditions are controlled as specified.

Quality Control and Reporting

Results contribute to process control by allowing manufacturers to monitor and verify the slip properties of their plastic products.
The standard requires documentation of test parameters, materials, surfaces tested, and any deviations from the method.

Applications

Film Manufacturing Producers of plastic films (e.g., polyethylene, polypropylene, PVC) use EN ISO 8295 for routine quality checks to ensure films have the correct slip properties for downstream processes like printing, laminating, and packaging.

Packaging Industry Packaging converters and users rely on coefficient of friction measurements to predict and control film handling during automated filling and sealing operations. Incorrect friction can lead to feeding issues or blockages on packaging machines.

Product Development Materials scientists and formulators use the standard to evaluate the impact of additives or surface treatments intended to modify frictional behavior, such as antiblock or slip agents.

Comparative Analysis Enables comparative studies between different films or suppliers by providing a uniform test methodology.

Related Standards

ISO 291: Plastics - Standard Atmospheres for Conditioning and Testing Specifies the environmental conditions for pre-conditioning samples prior to friction testing, ensuring consistency.

ISO 8295:1995 The international counterpart, providing the method upon which SIST EN ISO 8295:2004 is based.

ISO 5725 (Parts 1-3): Accuracy (trueness and precision) of measurement methods and results Relates to the statistical interpretation of test results, including repeatability and reproducibility, which is particularly relevant for laboratories following EN ISO 8295.

Other Film and Sheeting Standards Standards covering mechanical, optical, and barrier properties may be used alongside EN ISO 8295 for a full product quality profile.

Keywords: EN ISO 8295, coefficient of friction, plastics, film, sheeting, static friction, dynamic friction, quality control, packaging films, slip properties, standard methods, CEN, ISO 8295:1995, friction testing, plastic sheet testing.

SIST EN ISO 8295:2004 PDF

Abstract

Похожие стандарты

Overview

Key Topics

Applications

Related Standards

Технические детали

ISO 8295:1995

Plastics — Film and sheeting — Determination of the coefficients of friction

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