SIST EN 17098-2:2018

Overview

SIST EN 17098-2:2018 is a European standard developed by CEN that outlines a method for determining the gas permeability of thermoplastic barrier films used in agricultural and horticultural soil disinfection by fumigation. The focus of this standard is on a static technique, which allows for the assessment of how effectively plastic films prevent or control the passage of fumigant gases. This method is critical in ensuring that the barrier films perform as expected, offering protection, efficiency, and safety in soil disinfection practices.

Key Topics

• Scope and Purpose
  The standard specifies a static laboratory procedure to measure the permeability of films specifically designed for agricultural and horticultural applications.

• Test Principle
  Test specimens are mounted in a gas transmission cell that forms a sealed barrier between two chambers. A specific gas is introduced into one chamber, and its movement through the film is monitored over time using gas chromatography.

• Equipment Requirements

  • Transmission cell (source and receiving chambers)
  • Temperature-controlled chamber
  • Calibrated gas chromatograph
  • VOC-meter for leak detection

• Test Conditions and Specimens

  • Films under test must be representative, defect-free, and properly conditioned.
  • At least three specimens are tested under controlled temperature and humidity.

• Calculation and Results
  The mass transfer coefficient is calculated based on the concentration changes in both chambers over time, providing a quantitative measure of film permeability.

• Reporting
  Test reports must include reference to the standard, specimen details, type of fumigant, equipment used, conditions, and observed results.

Applications

SIST EN 17098-2:2018 is highly relevant for manufacturers and users of agricultural films, quality control laboratories, and research institutions:

• Quality Assurance
  Ensures that thermoplastic barrier films meet required permeability standards for effective soil fumigation.

• Product Development
  Guides manufacturers in developing improved barrier films for soil disinfection, optimizing properties for specific fumigants and environmental conditions.

• Regulatory Compliance
  Helps stakeholders demonstrate compliance with European and international regulations related to agricultural plastic use and soil treatment methodologies.

• Environmental and Safety Management
  By specifying a reliable test for film permeability, the standard supports best practices in minimizing environmental impact and exposure risks associated with soil fumigants.

Related Standards

• EN 17098-1
  Specifications for barrier films for agricultural and horticultural soil disinfection by fumigation.

• ASTM E2945
  Standard Test Method for Film Permeability Determination Using Static Permeability Cells - this international reference forms the basis of the static technique described in SIST EN 17098-2:2018.

• EN ISO 472
  Plastics - Vocabulary, offering relevant definitions and terminology.

• EN ISO 291
  Plastics - Standard atmospheres for conditioning and testing, providing guidelines on standard laboratory conditions.

SIST EN 17098-2:2018 offers a standardized, reliable method for evaluating the effectiveness of plastic barrier films used in agricultural soil treatment. By ensuring accurate assessment of film permeability, it supports both product integrity and environmental stewardship in modern agriculture. For stakeholders in the plastics and agricultural industries, this standard is a fundamental resource in product testing, compliance, and innovation.