Catherine,
Thank you for your sharing your detailed results. I will start doing more Oddy
test on the gloves as it has been five years since I last did most of them,
SHOWA being the most recent about three years ago. We also constantly test new
materials.
I should mention that I wrapped the half of the coupons with the gloves and
left the other half unexposed. I have one question to you, were the gloves you
tested newly bought or were they sitting in the lab for a while? That may also
make some difference, but I may be wrong.
Thanks,
Ozge
------------------------------
Ozge Gencay-Ustun
Objects Conservator
Autry Museum of the American West
Los Angeles CA
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-------------------------------------------
Original Message:
Sent: 10-18-2019 10:03
From: Catherine Stephens
Subject: Nitrile gloves
I recently performed a modified Oddy test on a series of gloves submitted to me
by different departments at my workplace. Instead of putting the gloves in the
bottom of the jar and testing that way, I put on the gloves and rubbed each of
the three coupons (copper, silver, and lead) for 15 seconds on each side with
the glove. Then I put the rubbed coupons in the Oddy jar for testing. Between
samples I would wash my hands with soap and water to not have carry over from
one glove type to another. Here is a table of the results from that testing:
Glove name Where bought Catalog # Color Comments
Uline exam grade nitrile gloves Uline S-21081 black Best in
class Best of all nitrile gloves Showa ESD-safe best economy grade 4
mil nitrile glove ULine 7500PFXS blue Best in class Best
Microflex Onyx nitrile gloves w/textured fingers Amazon N64X (X=1,2,3,4,
or 5) black medium bad to maybe OK; Cu light haze; Ag OK; Pb thin
compacted corrosion prefer to others Fisherbrand nitrile examination
gloves comfort Fisher Scientific 19-041-171C blue Medium; Cu haze; Ag
think white haze; Pb slight darkening under fold Uline Industrial
nitrile gloves Uline S-14179 blue Medium; Probably middle of the
pack when it comes to mediocre result Semperforce nitrile
examination gloves Fisher Scientific BKNF102 black Medium Pick
another NSI FlexShield Nitrile 5 mil Powder-Free 9.5" Northern Safety
8589 blue Medium to bad; Cu and Ag heavy haze; Pb better than controls
No Kimberly-Clark safeskin nitrile gloves ULine S-9863L purple
blue Bad, but maybe less than others; Cu T; Ag U; Pb T No Condor
powder free unlined nitrile gloves Grainger 53CV56 light blue bad; Cu
heavy haze; Ag thin white haze; Pb slight darkening Sempercare
nitrile examination gloves Fisher Scientific SPK-NIPFT blue bad; Cu
heavy haze; Ag thin white haze; Pb slight darkening No Kimberly-Clark
Professional nitrile exam gloves Fisher Scientific 190-150-202 lavender
bad; copper heavy haze; Ag thin white haze; Pb similar to control with
slight darkening and some yellow tarnish Uline Comfort Industrial
nitrile gloves Uline S-16768 purple blue Worst of the worst; Cu and Ag
heavily corroded with spots on both while lead was fine NO!
Original Message------
We are currently re-assessing the type of nitrile gloves we use daily in
handling of collections, and I would like to open up a up-to-date discussion
about the types and choices taken in the community. This re-assessment was
prompted by a concern related certain components in the gloves affecting the
metal surfaces (halides or sulphur accelerants). Does anyone knows of studies
concerning the effects of certain nitrile gloves in object handling?
I have recently looked into the N-Dex brand from Showa, but it seems they are
no longer using the specific N-Dex reference anymore. I am also curious about
the performance of their new biodegradable gloves. Thoughts on the new types of
gloves they offer? How do the usual medical-, food- or industrial-grade nitrile
gloves brands such as Kimberly-Clark perform?
------------------------------
Ana Silva
National Music Museum
Vermillion SD
------------------------------
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