T3D Embossed holograms

[lunazzi <lunazzi@xxxxxxxxxxxxxx>]

RM wrote:

>>I was surprised to see holograms losing its reflectity, becoming
>>transparents in irregular paths, closely resembling that of fungus.
These two holograms
>>I saw in two opportunities, maybe were exposed to humidity, I never
saw that
>>in well stored holograms.

>When you say holograms, what specific type? Most images people see are
>inexpensively produced mylar embossed types. Because inexpensive
materials
>are used, one can't expect them to last. I have quite a collection and
I
>see problems occasionally. The self-adhesive ones tend to loose their
>adhesive.

Sorry I did'nt make quite clear I referred to embossed holograms. That
is why I was
surprised. Gelatin holograms does not carry metallic coating, at least
commercial ones.

José

<mailto:lunazzi@xxxx> <http://i.am/lunazzi>



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End of TECH-3D Digest 528
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