ASTM F1898-00

NOTICE: This standard has either been superseded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
Designation: F 1898 – 00
Standard Specification for
1
Bicycle Helmets Used by Infants and Toddlers
This standard is issued under the fixed designation F 1898; 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 6. Headforms
1.1 This specification covers performance requirements for 6.1 Headforms to be used in this specification are sizes A
helmets manufactured for use by infants and toddlers as and E according to 6.1 of Test Methods F 1446. The appropri-
passengers or operators of nonmotorized vehicles intended for ate size headform shall be selected (see 3.1.7 of Test Methods
their use. This specification recognizes the desirability of F 1446) for the helmet to be tested.
lightweight construction and ventilation; however, it is a 6.2 The weight of the drop assembly as specified in 16.3 of
performance standard and is not intended to restrict design. Test Methods F 1446 shall be 3.20 6 0.15 kg for the A
1.2 All testing and requirements of this specification shall headform and 4.00 6 0.20 kg for the E headform.
be in accordance with Test Methods F 1446 except as noted. 6.3 The headform center of gravity specified in Appendix
1.3 Partial utilization of this standard is prohibited. Any X1 of Test Methods F 1446 will be allowed an additional
statement of compliance with this specification must be a tolerance in the X-axis. The tolerance allows the location of the
certification that the product meets all of the requirements of center of gravity to lie between -6.5 mm and 40 mm of the
this specification in their entirety. A product that fails to meet center of the ball socket (positive X is toward the monorail
any one of the requirements of this specification is considered where applicable).
to have failed this standard, and should not be sold with any
7. Peripheral Vision Requirement
indication that it meets parts of this standard.
7.1 The peripheral vision requirements shall be as specified
2. Referenced Documents
in 14.2 of Test Methods F 1446.
2.1 ASTM Standards:
8. Retention System Testing
F 1446 Test Methods for Equipment and Procedures Used
in Evaluating the Performance Characteristics of Protective 8.1 Retention system tests will be performed before impact
2
testing. The retention system shall be tested in accordance with
Headgear
Test Methods F 1446 using a 7-kg 6 5 % support assembly.
3. Labels and Warnings
8.2 The stability (roll-off) test will be performed using a
3.1 In addition to the labeling requirements outlined in Test 4-kg drop mass falling a distance of 0.6 m. The stability test
Methods F 1446, the helmet shall have the words “For infant will be performed on the ambient helmet.
and toddler bicycle riders” inscribed on one of the interior 8.3 The retention system shall remain intact and the helmet
permanent labels. must remain on the headform.
8.4 The dynamic strength test will be performed using a
4. Marking the Test Line
4-kg drop mass falling a distance of 0.6 m. The dynamic
4.1 The test line is shown in Fig. 1 and shall be marked in strength test will be performed on the cold, wet and hot helmet.
accordance with Test Methods F 1446.
8.5 The retention system shall remain intact without elon-
gating more than 30 mm.
5. Conditioning and Number of Samples
9. Anvils and Impact Velocities
5.1 Four helmets of each model and size are required for
testing. 9.1 Anvils to be used for impact tests in this specification
5.2 Conditioning of test samples is described in Sections 11
are the flat, hemispherical and curbstone anvils described in
and 12 of Test Methods F 1446. 16.4 and shown in Figs. 7, 8, and 11 of Test Methods F 1446.
9.2 The helmet shall be dropped onto the flat anvil to
1 achieve an impact velocity of 6.2 m/s 6 3 % (corresponding to
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
a theoretical drop height of 2.0 m).
Headgear and Helmets.
9.3 The helmet shall be dropped onto the hemispherical and
Current edition approved June 10, 2000. Published August 2000. Originally
curbstone anvils to achieve an impact velocity of 4.8 m/s 6
published as F 1898 – 98. Last previous edition F 1898 – 98.
2
3 % (corresponding to a theoretical drop height of 1.2 m).
Annual Book of ASTM Standards, Vol 15.07.
Copyright © ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
F 1898
Dimension
Headform XL/2 YRS T U
Size
A 24.0 88.0 89.7 30.0 15.0 118.0 63.0
E 26.0 94.5 96.0 32.0 16.0 126.5 67.5
NOTE 1—This test line dr
...