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iso-28780-mechanical-properties-of-polymer-films
Packaging Mechanical Performance ASTM D1974 Performance Testing of Flexible PackagingASTM D2579 Drop Testing of Corrugated BoxesASTM D2579 Drop Testing of PackagingASTM D2656 Seal Strength Testing of Flexible PackagingASTM D3951 Performance Evaluation of Packaging SystemsASTM D3987 Water Resistance of Paperboard PackagingASTM D4168 Packaging Performance under Simulated HandlingASTM D4168-12 Handling and Transit Simulation TestingASTM D4169 Performance Testing of Shipping ContainersASTM D4577 Seal Strength of Flexible PackagesASTM D4727 Performance Testing of Transit PackagingASTM D4727-18 Performance Testing of Corrugated BoxesASTM D5374 Vibration Resistance of PackagingASTM D642 Compression Resistance of Corrugated BoxesASTM D6575 Compression Testing of Corrugated BoardASTM D7438 Flexibility Testing of Packaging MaterialsASTM D781 Compression Strength of PaperboardASTM D829 Seal Strength Testing of Flexible PackagingASTM D999 Dynamic Load Testing of PackagingASTM D999-15 Dynamic Load Testing of PackagesASTM D999-21 Dynamic Load Testing for Shipping PackagesASTM F1306 Impact Resistance Testing of PackagingASTM F1306-16 Impact Resistance TestingASTM F2256 Tear Resistance of Plastic FilmsISO 11607-1 Packaging Mechanical Integrity TestingISO 11607-2 Packaging Integrity TestingISO 1184 Puncture Resistance of Flexible PackagingISO 1184 Puncture Resistance TestingISO 12048 Puncture Resistance of Packaging FilmsISO 12048 Puncture Resistance Testing of PackagingISO 12625-3 Mechanical Testing of Tissue and Crepe PapersISO 12625-3 Mechanical Testing of Tissue PapersISO 13820 Tensile Testing of Packaging MaterialsISO 13820 Tensile Testing of Plastic FilmsISO 16195 Compression Testing of Paper and BoardISO 16195 Compression Testing of Paper PackagingISO 1924-2 Tensile Strength of Paper and BoardISO 1924-3 Tensile Testing of Paper and BoardISO 20362 Compression Testing of PackagingISO 22000 Food Packaging Mechanical PerformanceISO 28780 Mechanical Properties of Flexible PackagingISO 3035 Bursting Strength of Paper and BoardISO 3035 Bursting Strength Test of PaperboardISO 4593 Tensile Properties of Plastic FilmsISO 4593 Tensile Testing of FilmsISO 554 Puncture Resistance of PaperboardISO 554 Puncture Resistance Test of PaperboardISO 6383-2 Bending Resistance of PaperboardISO 6595 Tear Resistance TestingISTA 1A Distribution Simulation TestingISTA 1B Distribution Simulation with Drop TestISTA 1C Distribution Simulation and Drop TestingISTA 2A Integrity Testing of Packaging SystemsISTA 2B Simulation Testing of Transport PackagingISTA 2C Simulation Testing of Transport PackagingISTA 3A Vibration Testing for Transport PackagingISTA 3B Mechanical Shock TestingISTA 3D Shock and Vibration ConditioningISTA 3E Mechanical Shock and Vibration TestingISTA 3F Shock and Vibration Testing of PackagingISTA 5A Environmental Conditioning TestingISTA 5B Environmental Conditioning of PackagingISTA 6-A Edge Crush Resistance of Corrugated BoardISTA 6-B Edge Crush Test ValidationISTA 6-C Edge Crush Test EvaluationISTA 6-D Edge Crush Test for Corrugated FiberboardISTA 6-FE Edge Crush Test of Corrugated BoardISTA 6-FR Flat Crush Test of Corrugated BoardISTA 7B Environmental Conditioning for PackagingISTA 7D Thermal Conditioning of PackagingISTA 7E Environmental Conditioning and Mechanical TestingISTA 7F Thermal Conditioning and Mechanical Testing

ISO 28780 Mechanical Properties of Polymer Films Laboratory Testing Service: A Comprehensive Guide

The mechanical properties of polymer films are a critical aspect of their performance and behavior in various applications. ISO 28780, Mechanical properties of film and sheeting made from polymeric materials, is an international standard that specifies the testing methods for evaluating the mechanical properties of polymer films.

Legal and Regulatory Framework

ISO 28780 is part of a broader set of standards related to polymers, including ISO 527 (tensile properties), ISO 178 (flexural properties), and ISO 179 (Charpy impact test). These standards are widely adopted by industries around the world, including textiles, packaging, construction, automotive, aerospace, and medical devices.

International and National Standards

The following international standards apply to the testing of polymer films:

  • ISO 28780:2019 Mechanical properties of film and sheeting made from polymeric materials

  • ASTM D882-10 Standard Test Method for Tensile Properties of Thin Plastic Sheeting

    • National standards may also apply, depending on the country or region where the product is intended to be used. For example:

  • EN 13823:2010A1:2014 Thermal performance of building products - Determination of thermal resistance and thermal transmittance

  • TSE 1177-2:2020 Plastics - Film and sheeting made from polymeric materials - Part 2: Test methods

    • Standard Development Organizations

    Standards development organizations, such as the International Organization for Standardization (ISO) and the American Society for Testing and Materials (ASTM), play a crucial role in creating and updating standards. These organizations bring together experts from industry, academia, and government to develop consensus-based standards.

    Standard Evolution and Update

    Standards evolve over time to reflect changes in technology, regulations, or market needs. New versions of standards may introduce new test methods, modify existing ones, or update the scope of the standard.

    Specific Standard Numbers and Scope

    The following standard numbers and scopes are relevant to ISO 28780:

  • ISO 28780:2019 Mechanical properties of film and sheeting made from polymeric materials

    • Covers mechanical testing for polymer films in various thicknesses and materials

    Specifies test methods for tensile strength, elongation at break, and tear resistance

    Standard Compliance Requirements

    Compliance with standards is essential for ensuring product safety, quality, and performance. Industries that require compliance with ISO 28780 include:

  • Textiles: clothing, upholstery, and technical textiles

  • Packaging: flexible packaging, rigid packaging, and labels

  • Construction: building materials, roofing membranes, and waterproofing systems

  • Automotive: interior trim, exterior coatings, and automotive components

    • Standard-Related Industry-Specific Examples and Case Studies

  • A manufacturer of medical devices uses ISO 28780 to ensure the mechanical properties of their film-based products meet regulatory requirements.

  • A packaging company uses ISO 28780 to evaluate the tensile strength and tear resistance of their flexible packaging materials.

    • The following sections provide a detailed explanation of how the test is conducted:

    Equipment and Instruments Used

  • Tensile testing machines

  • Extensometers or strain gauges

  • Tear testers (e.g., Elmendorf tear tester)

  • Testing environment control systems for temperature, humidity, and pressure

    • Testing Environment Requirements

  • Temperature: 20C 5C

  • Humidity: 50 10

  • Pressure: atmospheric pressure

    • Sample Preparation Procedures

  • Film samples are cut to the required size (e.g., ASTM D882 specifies a sample length of 15 cm)

  • Samples are conditioned at room temperature and humidity for at least 24 hours before testing

    • Testing Parameters and Conditions

  • Tensile strength: measured using a tensile testing machine

    • Gauge length: 20 mm 2 mm

    Extension rate: 50 mm/min 5

  • Elongation at break: measured using an extensometer or strain gauge

    • Gauge length: 20 mm 2 mm

    Extension rate: 50 mm/min 5

    Measurement and Analysis Methods

  • Tensile strength is calculated as the maximum load divided by the initial cross-sectional area of the sample

  • Elongation at break is measured as a percentage of the initial gauge length

    • Calibration and Validation Procedures

  • Testing equipment (e.g., tensile testing machines, extensometers) must be calibrated regularly according to manufacturer instructions

  • The laboratory must validate its testing procedures through interlaboratory comparisons or round robin tests

    • Quality Control Measures during Testing

  • Sample identification and labeling

  • Data recording and verification

  • Regular instrument calibration and maintenance

    • Data Collection and Recording Procedures

  • Test results are recorded on a data sheet or electronic spreadsheet

  • Data is reviewed for accuracy and completeness before finalizing the test report

    • Test Report Requirements

  • A detailed description of the testing procedure used

  • The values obtained for tensile strength, elongation at break, and tear resistance

  • Any deviations from the standard (e.g., differences in sample size or conditioning time)

    • ...

    Standard-Related Industry-Specific Examples and Case Studies

  • A manufacturer of medical devices uses ISO 28780 to ensure the mechanical properties of their film-based products meet regulatory requirements.

  • A packaging company uses ISO 28780 to evaluate the tensile strength and tear resistance of their flexible packaging materials.

    • ...

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