ASTM F1414-19(2023) PDF
Standard Test Method for Measurement of Cut Resistance to Chainsaw in Lower Body (Legs) Protective Clothing
Standard Test Method for Measurement of Cut Resistance to Chainsaw in Lower Body (Legs) Protective Clothing
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Количество страниц:
- 15
- Дата публикации:
- 1 ноября 2023 г.
- Издание:
- F1414
- ICS:
- 13.340.10
SIGNIFICANCE AND USE 5.1 The purpose of this test method is to provide a measurable criterion of performance about the level of cut resistance provided by different types of protective garments and protected coverings worn by chainsaw operators. 5.2 This test method is intended to show to what level a protective garment can offer resistance to the cutting action of a chainsaw. 5.3 The protection which can be demonstrated by the garments and coverings tested in accordance with this test method is achieved by: (1) the cut resistance of the material to cutting when put in contact with saw chain; (2) pulling a part of the material or yarns in the material so that they are drawn into the chain and drive mechanism to block the chain movement; (3) the fibers of the materials used to demonstrate both high resistance to cutting and the capacity to absorb rotational energy, so that chain speed can be slowed down sufficiently to stop the movement of the saw chain; or (4) any combination of these. 5.4 This test method does not purport to evaluate comfort of lower body protective garments. 5.5 In case of a dispute arising from differences in reported test results when using this test method for acceptance testing of commercial shipments, the purchaser and the supplier should perform comparative tests to determine if there is a statistical bias between their laboratories. Competent statistical assistance is recommended for the investigation of bias. As a minimum, the two parties should take a group of test specimens from the same lot of components to be evaluated. The test specimens should then be randomly assigned in equal numbers to each laboratory for testing. If a bias is found, either its cause must be determined and corrected or the purchaser and the supplier must agree to interpret future test results in light of the known bias. SCOPE 1.1 This test method measures cut resistance of garments and devices worn to protect the lower body (legs) when operating a chainsaw. 1.2 This test method may be used to test for compliance to minimum performance requirements in established safety standards. 1.2.1 By agreement between the purchaser and the supplier, or as required by established safety standards, it will be decided if this test method will be used to determine one or both of the following: (1) chain speed 50 (CS50), and (2) success/failure (jamming/chain stop or no cut in less than 1.5 s) at specified chain speed. 1.3 This test method may be used to determine levels of protection for areas of coverage as stipulated in established safety standards. 1.4 The values stated in SI units are to be regarded as standard. Note 1: The values stated in each system may not be exact equivalents; therefore, each system must be used independently of the other, without combining values in any way. 1.5 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. 1.6 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.
Abstract
Overview
ASTM F1414-19(2023): Standard Test Method for Measurement of Cut Resistance to Chainsaw in Lower Body (Legs) Protective Clothing is a key international standard developed by ASTM International. This standard specifies a reliable test method for measuring the cut resistance provided by garments and devices worn to protect the lower body-specifically the legs-of individuals operating a chainsaw. It provides a quantifiable criterion for assessing chainsaw protective clothing, supporting workplace safety in industries such as forestry, arboriculture, landscaping, and emergency services.
Key Topics
- Cut Resistance Measurement: Establishes a method for objectively determining the ability of lower body protective clothing to resist cut-through when exposed to running chainsaw chains.
- Test Procedure and Equipment: Involves mounting garment specimens on a test apparatus simulating a human leg, use of a standardized chainsaw setup, and precise measurement of chain speed.
- Performance Criteria: Allows for assessment against minimum performance requirements, either by determining the mean chain speed at which cut-through occurs (CS50) or by pass/fail criteria such as jamming/chain stop at specified speeds.
- Specimen Preparation: Specifies guidelines for the preparation, conditioning, and mounting of test specimens to ensure reproducibility of results.
- Interlaboratory Consistency: Recommends protocols for resolving disputes in test results, including the use of statistical methods and comparative testing, to identify and correct biases between laboratories.
- Safety and Limitations: Clarifies that the test does not evaluate garment comfort or all possible safety concerns. Users are responsible for adhering to applicable health, safety, and environmental regulations.
Applications
- Personal Protective Equipment (PPE) Qualification: Manufacturers use this standard to validate the protective performance of chainsaw protective trousers, chaps, and leggings, ensuring they meet safety regulations.
- Regulatory Compliance: Enables regulatory bodies and employers to confirm that protective clothing meets or exceeds established minimum performance criteria for chainsaw cut resistance.
- Purchasing Specifications: Assists purchasers in objectively comparing and selecting lower body protective clothing based on standardized performance data.
- Research and Development: Informs the development and improvement of new chainsaw cut-resistant materials and garment designs by providing a benchmark performance test.
- Quality Assurance: Manufacturers and suppliers can use the test method as part of quality control to verify consistent product performance across production lots.
Related Standards
- ASTM D123 - Terminology Relating to Textiles: Provides standard definitions for textile terms used in this test method.
- ASTM F1494 - Terminology Relating to Protective Clothing: Establishes definitions relevant to PPE.
- ASTM D1056 - Specification for Flexible Cellular Materials-Sponge or Expanded Rubber: Referenced for certain apparatus components.
- ASTM D1776/D1776M - Practice for Conditioning and Testing Textiles: Outlines procedures for specimen conditioning.
- MIL-STD-105 - Sampling Procedures and Tables for Inspection by Attributes: Used for sampling plans.
- FS 5100-86 - Cloth, Duck, Nylon, Polyurethane Coated: Reference for materials used in apparatus construction.
Practical Value
Following the ASTM F1414-19(2023) Chainsaw Cut Resistance Test ensures that lower body protective clothing is rigorously evaluated for its effectiveness against chainsaw injuries. Adhering to this standard enhances workplace safety, supports compliance with global safety regulations, and builds confidence among users, buyers, and regulatory authorities regarding the quality and reliability of chainsaw PPE. The method’s acceptance and repeatability make it essential for anyone involved in the design, manufacture, selection, or regulation of chainsaw protective clothing.
For those seeking optimal chainsaw safety, referencing ASTM F1414 helps promote best practices in PPE selection and ongoing risk management.
Технические детали
- Технический комитет
- F23 - Personal Protective Clothing and Equipment
- SKU
- ASTM F1414-19(2023)
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