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Significance and Use
The purpose of this test method is to provide a measurable criterion of performance defining the level of cut resistance to the cutting action of a saw chain provided by foot protective devices.
The protection, which can be demonstrated by the foot protective devices, tested in accordance with this test method, is achieved by (1) the material resisting cutting when put in contact with the moving saw chain; (2) a part of the material being drawn into the saw chain and drive mechanism to block the saw chain movement; (3) the materials resisting cutting and absorbing rotational energy so that saw chain speed can be slowed down sufficiently to stop the movement of the saw chain; or (4) any combination of these.
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.
1.1 This test method measures cut resistance of foot protective devices that are designed to protect the foot when operating a chain saw.
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, this test method can be used to determine any one or both of the following: (1) chainspeed 50 (CS50), (2) success/failure (jamming/chain stop) 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 and health practices and determine the applicability of regulatory limitations prior to use.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D123 Terminology Relating to Textiles
D1056 Specification for Flexible Cellular Materials--Sponge or Expanded Rubber
D1776 Practice for Conditioning and Testing Textiles
F1414 Test Method for Measurement of Cut Resistance to Chain Saw in Lower Body (Legs) Protective Clothing
F1494 Terminology Relating to Protective Clothing
ICS Number Code 13.340.10 (Protective clothing)
UNSPSC Code 46180000(Personal safety and protection); 27112746(Chain saw)
ASTM F1458-04(2008), Standard Test Method for Measurement of Cut Resistance to Chain Saw of Foot Protective Devices, ASTM International, West Conshohocken, PA, 2008, www.astm.orgBack to Top