Standard Test Method for Measurement of Cut Resistance to Chain Saw of Foot Protective Devices

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.
SCOPE
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.
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.
1.4 The values stated in SI units or in other units shall be regarded separately as standard. 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.

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30-Sep-2004
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ASTM F1458-04 - Standard Test Method for Measurement of Cut Resistance to Chain Saw of Foot Protective Devices
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation:F 1458–04
Standard Test Method for
Measurement of Cut Resistance to Chain Saw of Foot
1
Protective Devices
This standard is issued under the fixed designation F 1458; 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 (e) indicates an editorial change since the last revision or reapproval.
1. Scope D 1776 Practice for Conditioning Textiles for Testing
F 1414 Test Method for Measurement of Cut Resistance to
1.1 This test method measures cut resistance of foot protec-
Chain Saw in Lower Body (Legs) Protective Clothing
tive devices that are designed to protect the foot when
F 1494 Terminology Relating to Protective Clothing
operating a chain saw.
3
2.2 AATCC Test Methods:
1.2 This test method may be used to test for compliance to
AATCC 96 Dimensional Changes in Laundering of Woven
minimum performance requirements in established safety stan-
and Knitted Fabrics, Except Wool (1988)
dards.
AATCC 158 Dimensional Changes on Drycleaning in Per-
1.2.1 By agreement between the purchaser and the supplier,
chloroethylene: Machine Method
or as required by established safety standards, this test method
4
2.3 Military Standards:
can be used to determine any one or both of the following: (1)
MIL-STD-105 Sampling Procedure and Tables for Inspec-
chainspeed 50 (CS50), (2) success/failure (jamming/chain
tion by Attributes
stop) at specified chain speed.
MIL-C-12369 Cloth, Ballistic, Nylon
1.3 This test method may be used to determine levels of
5
2.4 Federal Standard:
protection for areas of coverage as stipulated in established
FS 5100-86 Type II, Cloth, Duck, Nylon, Polyurethane
safety standards.
Coated
1.4 The values stated in SI units are to be regarded as
standard.
3. Terminology
NOTE 1—The values stated in each system may not be exact equiva-
3.1 Definitions:
lents; therefore, each system must be used independently of the other,
3.1.1 centerline, n—in foot protective devices, a line that
without combining values in any way.
extendsfromthetoeofthefootwearhorizontallyalongthesole
1.5 This standard does not purport to address all of the
to the heel vertically to the top of the footwear, and diagonally
safety concerns, if any, associated with its use. It is the
to the point of intersection at the toe.
responsibility of the user of this standard to establish appro-
3.1.2 chain saw, n—a portable power-operated tool that has
priate safety and health practices and determine the applica-
cutters linked in a chain used for cutting wood.
bility of regulatory limitations prior to use.
3.1.3 chain speed, n—the velocity of synchronized move-
ment of linked cutters around a bar and sprocket.
2. Referenced Documents
3.1.4 chainspeed 50 (CS50), n—for chain saw protection,
2
2.1 ASTM Standards:
the mean velocity at which cut through occurs.
D 123 Terminology Relating to Textiles
3.1.4.1 Discussion—This value establishes the relationship
D 1056 Specification for Flexible Cellular Materials—
between the probability of cutting through the chain saw leg
Sponge or Expanded Rubber
protective clothing (or foot protective device) and the speed of
the saw chain. For lower chain speeds, the probability of cut
1
This test method is under the jurisdiction of ASTM Committee F23 on
Protective Clothing and is the direct responsibility of Subcommittee F23.20 on
3
Physical Properties. Available from American Association of Textile Chemists and Colorists
Current edition approved October 1, 2004. Published October 2004. Originally (AATCC), One Davis Dr., P.O. Box 12215, Research Triangle Park, NC 27709-
approved in 1998. Last previous edition approved in 1998 as F 1458 - 98. 2215.
2 4
For referenced ASTM standards, visit the ASTM website, www.astm.org, or Available from Standardization Documents Order Desk, Bldg. 4, Section D,
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM 700 Robbins Ave., Philadelphia, PA 19111-5094, Attn: NPODS.
5
Standards volume information, refer to the standard’s Document Summary page on Available from Superintendent of Documents, U.S. Government Printing
the ASTM website. Office, Washington, DC 20402.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

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F 1458–04
through approaches zero, while for higher chain speeds, the 5. Significance and Use
probability of cut through approaches one.
5.1 The purpose of this test method is to provide a measur-
3.1.5 chain stop, n—for chain saw cut resistance, the
able criterion of performance defining the level of cut resis-
resultingactionwhenamaterialclogs(jams)thedrivesprocket
tance to the cutting action
...

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