ASTM F2040-11
(Specification)Standard Specification for Helmets Used for Recreational Snow Sports
Standard Specification for Helmets Used for Recreational Snow Sports
ABSTRACT
This specification defines performance requirements for helmets used in nonmotorized recreational snow sports. The hot, cold, and wet helmets shall be subjected to the dynamic strength retention test. The ambient helmet shall be subjected to the positional stability (roll-off) test. Anvils to be used for impact tests in this specification are described as follows: flat anvil, hemispherical anvil, and edge anvil. All impacting shall be performed in accordance with the specified requirements.
SCOPE
1.1 This specification defines performance requirements for helmets used in nonmotorized recreational snow sports (such as skiing, snowboarding, and other alpine sports). This specification is a performance standard and is not intended to restrict design. Although a helmet that meets this specification will help reduce the risk of some types of injuries to the head at slower speeds, the protection is limited. The user is responsible for participating in the sport within his/her abilities and the nature of the snow conditions which may vary widely. Compliance with the common sense rules of the sport's safety, including any applicable responsibility codes, is essential to help reduce the risk of personal injury.
1.2 All testing and requirements of this specification shall be in accordance with Test Methods F1446, except where noted herein.
1.3 Partial utilization of this specification is prohibited. Any statement of compliance with this specification shall be a certification that the product meets all of the requirements of the specification in its entirety. A product that fails to meet any one of the requirements of this specification is considered to have failed the standard and should not be sold with any indication that it meets parts of the standard.
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Designation:F2040 −11 An American National Standard
Standard Specification for
1
Helmets Used for Recreational Snow Sports
This standard is issued under the fixed designation F2040; 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* F1446. The appropriate size headform shall be selected in
accordance with the section on Headform Size Selection of
1.1 This specification defines performance requirements for
Test Methods F1446 for the helmet to be tested.
helmets used in nonmotorized recreational snow sports (such
as skiing, snowboarding, and other alpine sports). This speci-
4. Anvils and Impact Velocities
ficationisaperformancestandardandisnotintendedtorestrict
4.1 Anvils to be used for impact tests in this specification
design. Although a helmet that meets this specification will
are described as follows:
help reduce the risk of some types of injuries to the head at
4.1.1 FlatAnvil, as described in the section onApparatus of
slower speeds, the protection is limited.The user is responsible
Test Methods F1446.
for participating in the sport within his/her abilities and the
4.1.2 Hemispherical Anvil, as described in the section on
nature of the snow conditions which may vary widely. Com-
Apparatus of Test Methods F1446.
pliance with the common sense rules of the sport’s safety,
4.1.3 Edge Anvil, constructed of solid steel in accordance
including any applicable responsibility codes, is essential to
with Fig. 1.
help reduce the risk of personal injury.
4.2 Impact Velocities:
1.2 All testing and requirements of this specification shall
4.2.1 Impacts upon the flat anvil shall achieve a velocity of
beinaccordancewithTestMethodsF1446,exceptwherenoted
6.2 m/s (corresponding to a theoretical drop height of 2.0 m).
herein.
4.2.2 Impacts upon the hemispherical anvil shall achieve a
1.3 Partial utilization of this specification is prohibited.Any
velocity of 4.8 m/s (corresponding to a theoretical drop height
statement of compliance with this specification shall be a
of 1.2 m).
certification that the product meets all of the requirements of
4.2.3 Impactsupontheedgeanvilshallachieveavelocityof
the specification in its entirety.Aproduct that fails to meet any
4.5 m/s (corresponding to a theoretical drop height of 1.0 m).
one of the requirements of this specification is considered to
4.2.4 The impact velocity shall be measured during the last
have failed the standard and should not be sold with any
40 mm of free-fall for each test and shall be within 3 % of the
indication that it meets parts of the standard.
velocities specified in 4.2.1, 4.2.2, and 4.2.3.
2. Referenced Documents
5. Marking the Test Line
2
2.1 ASTM Standards:
5.1 The test line is shown in Fig. 2 and shall be marked in
F1446 Test Methods for Equipment and Procedures Used in
accordance with Test Methods F1446.
Evaluating the Performance Characteristics of Protective
Headgear
6. Conditioning and Number of Samples
6.1 Four sample helmets are required for each shell/liner
3. Headforms
size combination.
3.1 Headforms to be used in this specification are as
6.2 Conditioning of the samples to be tested is described in
specified in the section on Test Headforms of Test Methods
the section on Conditioning Environment of Test Methods
F1446, but differs as follows:
1
6.2.1 Low Temperature—The low temperature shall be -22
This specification is under the jurisdiction ofASTM Committee F08 on Sports
Equipment, Playing Surfaces, and Facilitiesand is the direct responsibility of
to -28°C.
Subcommittee F08.53 on Headgear and Helmets.
6.2.2 High Temperature—The high temperature shall be 32
Current edition approved April 1, 2011. Published May 2011. Originally
to 38°C.
approved in 2000. Last previous edition approved in 2006 as F2040 – 06. DOI:
10.1520/F2040-11.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or 7. Impact Sites
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
7.1 Centers of impact can be located anywhere on or above
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. the test line with the anvils aligned in any orientation.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
F2040−11
FIG. 1Edge Anvil
3
7.2 The theoretical center of each impact site shall be 10.2 Dynamic Strength Retention Test— The hot, cold, and
separated from the theoretical center of other impact sites by a
wet hel
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
An American National Standard
Designation:F2040–06 Designation: F2040 – 11
Standard Specification for
1
Helmets Used for Recreational Snow Sports
This standard is issued under the fixed designation F2040; 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*
1.1 This specification defines performance requirements for helmets used in nonmotorized recreational snow sports (such as
skiing, snowboarding, and other alpine sports). This specification is a performance standard and is not intended to restrict design.
Although a helmet that meets this specification will help reduce the risk of some types of injuries to the head at slower speeds,
the protection is limited. The user is responsible for participating in the sport within his/her abilities and the nature of the snow
conditions which may vary widely. Compliance with the common sense rules of the sport’s safety, including any applicable
responsibility codes, is essential to help reduce the risk of personal injury.
1.2 All testing and requirements of this specification shall be in accordance with Test Methods F1446, except where noted
herein.
1.3 Partial utilization of this specification is prohibited. Any statement of compliance with this specification shall be a
certification that the product meets all of the requirements of the specification in its entirety. A product that fails to meet any one
of the requirements of this specification is considered to have failed the standard and should not be sold with any indication that
it meets parts of the standard.
2. Referenced Documents
2
2.1 ASTM Standards:
F1446 Test Methods for Equipment and Procedures Used in Evaluating the Performance Characteristics of Protective Headgear
3. Headforms
3.1 Headforms to be used in this specification are as specified in the section on Test Headforms of Test Methods F1446. The
appropriate size headform shall be selected in accordance with the section on Headform Size Selection of Test Methods F1446 for
the helmet to be tested.
4. Marking the Test Line
4.1The test line is shown in Fig. 1 and shall be marked in accordance with Test Methods F1446.
5.Conditioning and Number of Samples
5.1Four sample helmets are required for each shell/liner size combination.
5.2Conditioning of the samples to be tested is described in the section on Conditioning Environment of Test Methods F1446,
but differs as follows:
5.2.1Low Temperature—The low temperature shall be -22 to -28°C.
5.2.2High Temperature—The high temperature shall be 32 to 38°C.
6.Retention System Testing
6.1The Dynamic Strength Retention Test shall be completed in accordance with Test Methods F1446 prior to impact testing.
6.2DynamicStrengthRetentionTest—Thehot,cold,andwethelmetsshallbesubjectedtotheDynamicStrengthRetentionTest.
Place the helmet on the appropriate size headform on the test device described in the section onApparatus ofTest Methods F1446.
6.2.1Place the twin bar (jaw) system with rod and drop weight attached within the fastened retention system.
6.2.2Mark the position of the twin bar with preload and drop weights in position.
6.2.3Drop a 4-kg sliding weight a distance of 0.6 m.
1
This specification is under the jurisdiction of ASTM Committee F08 on Sports Equipment and Facilities and is the direct responsibility of Subcommittee F08.53 on
Headgear and Helmets.
Current edition approved MayApril 1, 2006.2011. Published May 2006.2011. Originally approved in 2000. Last previous edition approved in 20022006 as F2040 – 026.
DOI: 10.1520/F2040-06.10.1520/F2040-11.
2
For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at service@astm.org. ForAnnualBookofASTMStandards
volume information, refer to the standard’s Document Summary page on the ASTM website.
*ASummary of Changes section appears at the end of this standard.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1
---------------------- Page: 1 ----------------------
F2040 – 11
FIG. 1 2 Marking the Test Line
6.2.4The retention system shall remain intact without elongating more than 30 mm.
6.3The ambient helmet shall be subjected to the positional stability (roll-off) test in accordance with Test Methods F1446 using
a 4 kg drop mass from a height of 0.6 m.
6.3.1The retention system s
...
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