ISO 24343-2:2018

Overview

ISO 24343-2:2018 is an international standard developed by ISO that specifies a method for determining both the short-term indentation and residual indentation of resilient floor coverings after the application and subsequent removal of a constant load. This standardized test method is essential for manufacturers, quality control laboratories, and flooring professionals to reliably assess the performance characteristics of resilient floor coverings, such as vinyl, linoleum, and similar materials, under static pressures.

Accurate measurement of indentation and recovery performance ensures that resilient floor coverings can be evaluated consistently for suitability in a range of commercial and residential settings, supporting both product development and specification processes.

Key Topics

• Short-term Indentation: Assessment of the depth floor coverings are compressed under a constant load in a short period.
• Residual Indentation: Measurement of the remaining indentation after removal of the load and a defined recovery period, indicating the material’s ability to recover its original form.
• Test Environment: Conditioning and examination are carried out under standardized temperature and humidity to ensure repeatable results.
• Sample Preparation: Procedures for selection, cutting, and conditioning of representative test specimens from floor covering products.
• Test Apparatus: Specification of equipment, including indenter dimensions, measurement devices, and loading mechanisms, designed to ensure accuracy and repeatability.
• Result Calculation and Reporting: Methods to calculate indentation values at specified time intervals and requirements for detailed, transparent test reporting.

Applications

The ISO 24343-2:2018 standard is widely applied in the following contexts:

• Product Development: Enables manufacturers of resilient floor coverings to benchmark and improve indentation recovery properties of new materials and formulations.
• Quality Assurance: Assists in ongoing quality control by providing consistent and objective data on product performance.
• Specification and Compliance: Supports architects, designers, and end-users in verifying that flooring products meet required indentation resistance, a key factor for high-traffic areas and applications where furniture or equipment may create static loads.
• Comparative Analysis: Allows for the comparison of performance characteristics across different brands, types, or batches of resilient flooring, facilitating informed product selection.
• Regulatory and Contractual Requirements: Used to demonstrate compliance with industry standards in contracts, building codes, or procurement specifications.

Related Standards

Several other standards complement or provide alternative test methods relating to resilient and laminate floor coverings:

• ISO 24343-1: Determination of indentation and residual indentation - Part 1: General method, applicable to a broader range of floor coverings.
• ASTM F1914: Standard Test Methods for Short-Term Indentation and Residual Indentation of Resilient Floor Covering, a widely recognized U.S. equivalent.
• JIS A 1454: Japanese Industrial Standard for testing resilient floor coverings.
• ISO 24343 Series: Other parts of the ISO 24343 standard series cover additional types of indentation testing for different floor covering products.

By adhering to ISO 24343-2:2018, the flooring industry as well as regulatory bodies benefit from objective, reproducible data on the indentation performance of resilient floor coverings, supporting durability, product selection, and satisfaction in real-world applications. For further details or to obtain the full standard, refer to ISO’s official website or your national standards body.