Hi
In a message dated 03/22/0 15:32:35, [log in to unmask] writes:
>My experience with UV curable glue in HALT has not been favorable.  It
>will probably work fine in most applications, but crack when put through
>extreme temperature.  I'm not telling you to back off on the what works
>for you, however, we had to go away from it because we conducted HASS on
>100% of our products and was not reliable after HASS.  We switched over
>to E6000 (brand name) which could take the extremes.  E6000 requires a
>longer cure time which caused more problems for manufacturing than UV
curable,
>but we were more worried about reliability than making product faster in
>production.
People think that HASS and HALT are magic bullets--HIGHLY ACCELERATED=HIGHLY
DESTRUCTIVE. For most electronic assemblies these HA/HA (bun fully intended)
tests a misleading, overly destructive, and have the effectiveness of a
'security blanket' (security blankets keep the goblins away, and my grandkids
swear that it works).
Werner Engelmaier

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