Short Helmet Standards Comparison
This is a summary of our longer and much more detailed point by point helmet
standards comparison.
CPSC ASTM Snell Snell ANSI 1984
F1447 B-90S B-95 (replaced by)
(ASTM F1447 )
Drop height on 2.0 m 2.0 m 2.0 m 2.2 m* 1.0 m
flat anvil 2.0 m
Drop height on 1.2 m 1.2 m 1.3 m 1.5 m* 1.0 m
hemispherical 1.3 m
anvil
Drop height on 1.2 m 1.2 m None 1.5 m* None
curbstone anvil 1.3 m
Headform weight 5 kg 5 kg 5 kg 5 kg 5 kg
for adult tests
Headform weight 5 kg 3.2 or 5 kg 5 kg 5 kg
for child tests 4.0 kg
(pending)
Total energy: 98 J 98 J 98 J 110 J* 49 J
adult test 100 J
medium headform
flat anvil
Failure
threshold 300 g 300 g 300 g 300 g 300g
Coverage vs. Same Less Same More Same
CPSC 1999
Strap jerk 24 J 24 J 24 J 24 J 24 J
(joules)
Rolloff test Yes Yes Yes Yes None
*Snell B-95 uses a more severe impact for initial
certification than for follow-up performance testing.
Snell considers the B-95 strap jerk test to be roughly
equivalent to the B-90 test, although parameters have
changed.
This page was last revised on: April 1, 2005.
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