ASTM F3416-21

Standard Guide for Using Fourier Transform Infrared Spectrometry to Evaluate Synthetic Equine Surface Components

SIGNIFICANCE AND USE
5.1 FTIR can quickly be utilized to help identify polymeric fibers and some inorganic materials. FTIR also provides a means of monitoring changes to equine surface binder materials, in addition to observing oxidation.
SCOPE
1.1 Infrared (IR) spectrophotometry involving IR microscopes, coupled with Fourier transform infrared (FTIR) spectrometers, is a valuable method of identifying polymeric fibers (that is, polypropylene, polyethylene, etc.) and rubber used in synthetic equine surfaces. FTIR may also be used to identify organic compounds and other non-metallic elements present in the binder (that is, high-oil wax) extracted from an equine surface. FTIR of wax-based binders can also detect and quantify relative degrees of binder oxidation. FTIR works by detecting and interpreting the oscillations of the atoms bonded together in the molecular structure. Infrared light absorption spectra are generated from samples tested, and these spectra are compared to libraries of known polymer spectra. For bulk fiber samples, different fibers are visually separated into groups and individual fibers from each group are tested. For extracted wax, several tests are conducted to ensure consistency. FTIR absorption spectrums for two common fibers are shown in Fig. 1. FTIR spectrum for a wax binder exhibiting oxidation peaks is shown in Fig. 2.  
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
FIG. 1 FTIR Identification of Polymer Types in Bulk Fiber
FIG. 2 Oxidation Activity in Wax Binder over Multiple Years (Note Oxidation Peak at ~1700 cm–1 (1))  
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

General Information

• Status: Published
• Publication Date: 14-Apr-2021
• ICS: 83.080.01 - Plastics in general
• Technical Committee: F08 - Sports Equipment, Playing Surfaces, and Facilities
• Drafting Committee: F08.28 - Equestrian Surfaces

Relations

• Refers: ASTM E2224-23ae1 - Standard Guide for Forensic Analysis of Fibers by Infrared Spectroscopy
• Effective Date: 01-May-2023
• Refers: ASTM E2224-18 - Standard Guide for Forensic Analysis of Fibers by Infrared Spectroscopy
• Effective Date: 01-Sep-2018
• Refers: ASTM E1459-13 - Standard Guide for Physical Evidence Labeling and Related Documentation
• Effective Date: 15-Feb-2013
• Refers: ASTM E1492-11 - Standard Practice for Receiving, Documenting, Storing, and Retrieving Evidence in a Forensic Science Laboratory
• Effective Date: 01-Jun-2011
• Refers: ASTM E2224-10 - Standard Guide for Forensic Analysis of Fibers by Infrared Spectroscopy
• Effective Date: 15-Sep-2010
• Refers: ASTM D7414-09 - Standard Test Method for Condition Monitoring of Oxidation in In-Service Petroleum and Hydrocarbon Based Lubricants by Trend Analysis Using Fourier Transform Infrared (FT-IR) Spectrometry
• Effective Date: 01-Jul-2009
• Refers: ASTM E1492-05 - Standard Practice for Receiving, Documenting, Storing, and Retrieving Evidence in a Forensic Science Laboratory
• Effective Date: 15-Jul-2005
• Refers: ASTM E1459-92(2005) - Standard Guide for Physical Evidence Labeling and Related Documentation
• Effective Date: 01-May-2005
• Refers: ASTM E2224-02 - Standard Guide for Forensic Analysis of Fibers by Infrared Spectroscopy
• Effective Date: 10-Jul-2002
• Refers: ASTM E1492-92(1999) - Standard Practice for Receiving, Documenting, Storing, and Retrieving Evidence in a Forensic Science Laboratory
• Effective Date: 10-May-1999
• Refers: ASTM E1459-92(1998) - Standard Guide for Physical Evidence Labeling and Related Documentation
• Effective Date: 10-Nov-1998

Overview

ASTM F3416-21: Standard Guide for Using Fourier Transform Infrared Spectrometry to Evaluate Synthetic Equine Surface Components is an internationally recognized standard developed by ASTM. This document provides best practices for utilizing Fourier Transform Infrared (FTIR) spectrometry to analyze the composition and changes in synthetic equine surface materials, including the identification of fibers, detection of organic binders, and monitoring of material oxidation.

FTIR spectrometry offers a rapid and reliable technique to identify polymeric fibers (such as polypropylene and polyethylene), rubber compounds, and organic components used in synthetic equestrian surfaces. This method aids in quality control, material verification, and long-term performance monitoring of equine surfaces.

Key Topics

• FTIR Spectrometry Principle
  FTIR analyzes material composition by interpreting molecular oscillations based on their infrared absorption spectra, which are compared with reference libraries of known polymers or binders.

• Identification of Polymeric Fibers
  The standard outlines procedures for separating and analyzing bulk fibers from synthetic equine surfaces to determine their polymer types, supporting material authenticity and performance verification.

• Binder Analysis and Oxidation Monitoring
  FTIR enables detection and quantification of organic binders (such as high-oil waxes) and identifies oxidation levels in wax-based binders, which is critical for assessing the longevity and stability of synthetic surfaces.

• Sample Preparation and Handling
  Guidelines are provided for preparing, handling, and analyzing fibers and wax binder samples to ensure consistency and reliability in results.

• Data Interpretation and Reporting
  The guide recommends standardized reporting practices, including documenting the spectrum, analysis date, and laboratory details for traceability.

Applications

• Quality Assurance of Synthetic Equine Surfaces
  Facilities and manufacturers use FTIR per ASTM F3416-21 to authenticate polymeric materials and monitor the stability of binders, ensuring compliance with industry and safety standards.

• Maintenance and Aging Studies
  Regular FTIR analysis assists in tracking oxidation and deterioration of binding agents, supporting predictive maintenance and extending the usable lifespan of equestrian surfaces.

• Material Verification and Forensics
  The methodology allows for forensic analysis of unknown fibers or binders, aiding in resolving product disputes, regulatory compliance, or incident investigations.

• Research and Development
  Laboratories and product developers employ FTIR techniques outlined in this standard to identify and compare novel synthetic components and optimize formulations for performance and durability.

Related Standards

• ASTM D7414
  Test method for monitoring oxidation in in-service petroleum and hydrocarbon-based lubricants by FTIR spectrometry-a complementary method for oxidation analysis.

• ASTM E1459
  Guide for physical evidence labeling and documentation, supporting best practices for sample traceability.

• ASTM E1492
  Practice for receiving, documenting, storing, and retrieving evidence in a forensic science laboratory, applicable for controlled sample management.

• ASTM E2224
  Guide for forensic analysis of fibers by infrared spectroscopy, further detailing fiber identification protocols.

Summary

The ASTM F3416-21 standard provides essential guidance for laboratories, quality managers, and facility operators using FTIR spectrometry to analyze synthetic equine surface materials. By standardizing procedures for polymeric fiber and binder identification, as well as oxidation monitoring, this document enhances material verification, supports regulatory compliance, and improves the performance and safety of synthetic equine surfaces. Adopting this guide helps ensure reliable, repeatable, and high-quality analytical results in equestrian surface material evaluation.

Standards Content (Sample)

This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation:F3416 −21
Standard Guide for
Using Fourier Transform Infrared Spectrometry to Evaluate
Synthetic Equine Surface Components
This standard is issued under the fixed designation F3416; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope 2. Referenced Documents
2.1 ASTM Standards:
1.1 Infrared (IR) spectrophotometry involving IR
D7414 Test Method for Condition Monitoring of Oxidation
microscopes, coupled with Fourier transform infrared (FTIR)
in In-Service Petroleum and Hydrocarbon Based Lubri-
spectrometers, is a valuable method of identifying polymeric
cants byTrendAnalysis Using FourierTransform Infrared
fibers (that is, polypropylene, polyethylene, etc.) and rubber
(FT-IR) Spectrometry
used in synthetic equine surfaces. FTIR may also be used to
E1459 Guide for Physical Evidence Labeling and Related
identify organic compounds and other non-metallic elements
Documentation
present in the binder (that is, high-oil wax) extracted from an
E1492 Practice for Receiving, Documenting, Storing, and
equine surface. FTIR of wax-based binders can also detect and
Retrieving Evidence in a Forensic Science Laboratory
quantify relative degrees of binder oxidation. FTIR works by
E2224 Guide for Forensic Analysis of Fibers by Infrared
detecting and interpreting the oscillations of the atoms bonded
Spectroscopy
together in the molecular structure. Infrared light absorption
spectra are generated from samples tested, and these spectra
3. Terminology
are compared to libraries of known polymer spectra. For bulk
3.1 Definitions:
fibersamples,differentfibersarevisuallyseparatedintogroups
3.1.1 absorbance (A), n—the logarithm to the base 10 of the
and individual fibers from each group are tested. For extracted
reciprocal of the transmittance, (T): A = log (1/T) = -log T
wax, several tests are conducted to ensure consistency. FTIR 10 10
absorption spectrums for two common fibers are shown in Fig. 3.1.2 absorption band, n—a region of the absorption spec-
1. FTIR spectrum for a wax binder exhibiting oxidation peaks trum in which the absorbance passes through a maximum.
is shown in Fig. 2.
3.1.3 absorption spectrum, n—a plot, or other
representation, of absorbance, or any function of absorbance,
1.2 The values stated in SI units are to be regarded as
against wavelength, or any other function of wavelength.
standard. No other units of measurement are included in this
3.1.4 background, n—apparent absorption caused by any-
standard.
thing other than the substance for which the analysis is being
1.3 This standard does not purport to address all of the
made.
safety concerns, if any, associated with its use. It is the
3.1.5 Fourier transform, n—a mathematical operation that
responsibility of the user of this standard to establish appro-
converts a function of one independent variable to one of a
priate safety, health, and environmental practices and deter-
different independent variable.
mine the applicability of regulatory limitations prior to use.
3.1.6 Fourier-transform infrared spectroscopy (FTIR), n—a
1.4 This international standard was developed in accor-
technique in which a material of interest is subjected to an
dance with internationally recognized principles on standard-
infrared spectrum and absorption is measured over the speci-
ization established in the Decision on Principles for the
fied spectral range.
Development of International Standards, Guides and Recom-
3.1.7 transmittance (T), n—the ratio of radiant power trans-
mendations issued by the World Trade Organization Technical
mitted by the sample, I, to the radiant power incident on the
Barriers to Trade (TBT) Committee.
sample, I .
o
This guide is under the jurisdiction of ASTM Committee F08 on Sports
Equipment, Playing Surfaces, and Facilities and is the direct responsibility of For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Subcommittee F08.28 on Equestrian Surfaces. contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM
Current edition approved April 15, 2021. Published May 2021. DOI: 10.1520/ Standards volume information, refer to the standard’s Document Summary page on
F3416-21. the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
F3416−21
FIG. 1FTIR Identification of Polymer Types in Bulk Fiber
–1
FIG. 2Oxidation Activity in Wax Binder over Multiple Years (Note Oxidation Peak at ~1700 cm (1))
3.1.8 wavelength, n—the distance, measured along the line 6.2 The quantity of wax binder or fiber used and the number
of propagation, between two points that are in phase on of fiber samples required will differ according to:
adjacent waves.
6.2.1 Specific technique and sample preparation,
6.2.2 Sample homogeneity,
4. Summary of Guide
6.2.3 Condition of the sample, and
4.1 This guideline covers identification of fiber polymer and
6.2.4 Other case dependent analytical conditions or
wax binder composition by interpretation of absorption spectra
concerns, or both.
obtained by infrared spectroscopy. Additional testing and
analysis information can be found by consulting the reference
6.3 Sample preparation should be similar for all fibers or
documents.
wax binders being compared.
5. Significance and Use
6.4 Fibers should be flattened prior to analysis in order to
obtain the best quality absorption spectra. Flattening or com-
5.1 FTIR can quickly be utilized to help identify polymeric
fibers and some inorganic materials. FTIR also provides a pressingthefiberscanalterthecrystalline/amorphousstructure
of the fiber and result in minor differences in peak frequencies
means
...