InTents August/September 2019 - 51

cap may need to be replaced within less
than two years.
If a cap has been struck by a blow
of any magnitude, both the hard
hat shell and suspension should be
replaced immediately, even if no
damage is visible.
To determine possible degradation of
a polyethylene shell, compress the shell
inward from the sides about 1 inch (2.5
cm) with both hands and then release the
pressure without dropping the shell. The
shell should quickly return to its original
shape, exhibiting elasticity. Compare the
elasticity of the sample with that of a
new shell. If the sample does not exhibit
elasticity similar to that of a new shell, or
if it cracks due to brittleness, it should be
replaced immediately.
Can I wear a baseball cap under my
hard hat?
There are no requirements or tests
to examine the effect that a cap or any
other object worn inside a hard hat
may have on hard hat performance.
Therefore, Bullard recommends that
hard hat users should never carry or
wear anything inside a hard hat, with
this reasoning:
* A clearance must be maintained
between the hard hat shell and the
wearer's head for the protection
system to work properly. An
additional cap or other object may
limit this clearance.
* Wearers may be unaware that the
cap or object contains metal parts,
such as a metal button at the top of
a baseball cap, which may diminish
the dielectric protection provided
by the hard hat.
* Under no circumstances should any
item be placed above or below the
crown straps. This will affect the
performance of the hard hat.
Some products, such as fabric winter
liners and cotton sunshades, are designed
to work in conjunction with hard hats.

Is it okay to put stickers on my hard
hat or engrave it?
The use of self-adhesive stickers to personalize hard hats or for identi ication
purposes is a common practice. Stickers
should be placed at least ¾ inch (2 cm)
away from the edge of the helmet and
be kept to a minimum to permit regular
inspection of the helmet shell for signs of
damage from use or aging. If any surface
cracks, however small, should appear on
the shell surface, either in the vicinity
of the stickers or elsewhere, the helmet
should be removed from service and
replaced immediately.
The practice of engraving identi ication
data on the underside of the brim of
the helmet will not adversely affect the
helmet's performance; however, this
engraving must be restricted to the brim
only. Any engraving or modi ication
of the helmet shell material in the crown
area above the intersection between the
crown and brim, or in the vicinity of the
suspension key sockets, may result in
failure of the helmet.
The best practice is always to use
the helmet as it was received from
the manufacturer, or to consult the
manufacturer before making any
product modi ications.
For more, go to www.bullard.com.

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51


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InTents August/September 2019

Table of Contents for the Digital Edition of InTents August/September 2019

InTents August/September 2019 - Cover1
InTents August/September 2019 - Cover2
InTents August/September 2019 - 1
InTents August/September 2019 - 2
InTents August/September 2019 - 3
InTents August/September 2019 - 4
InTents August/September 2019 - 5
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InTents August/September 2019 - 7
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InTents August/September 2019 - Cover3
InTents August/September 2019 - Cover4
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