Dear Brian
It is quite simple - both articles are correct.
RoHS does not currently apply to all brominated flame retardants, only to PBB and PBDE. These are typically used in plastic housings etc. TBBPA used in laminates is not covered by RoHS.
regards
Kay
-----Original Message-----
From: Brian Ellis [mailto:[log in to unmask]]
Sent: 21 August 2003 12:15
To: [log in to unmask]
Subject: [LF] WEEE/RoHS clarification required
I've just received the August IPC Review.
On p. 6, there is an article, "Lead Time on Lead Free Dwindles". This
re-states the deadline of 1 July 2006 for total lead-free soldering for
products sold in Europe (ignoring the few named exceptions).
On p. 4, there is an article, "IPC Quells Flames of Halogen-Free Issue",
which claims, after study, that there is no reason not to use
halogenated flame retardants, such as TBBPA.
It is my understanding that the same EU directives require all laminates
and plastics in electronics assemblies to use non-halogenated flame
retardants, presumably from the same date (I have not checked this in
the actual directives).
Does this not reveal an extremely dichotomous polity on the part of the
IPC? On the one hand, the IPC has gone hell-for-leather towards the
lead-free goal, without an ounce of proven scientific reason. On the
other hand, the IPC is opposing the halogen-free part of the same EU
legislation, despite the fact that emissions of incinerated
halogen-containing laminates may contain some highly hazardous and
polluting substances, as shown by scientific studies. At the same time,
it may lull exporters to the EU and members within the EU into a false
sense of security into thinking that brominated flame retardants are
here to stay, rather than be mandatorily substituted within a few years.
I need clarification on this paradoxical dichotomy.
Brian
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