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Reply To: | Leadfree Electronics Assembly E-Mail Forum. |
Date: | Fri, 3 Dec 1999 11:25:11 -0500 |
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Common molding compounds used for tantalum capacitors incorporate a
Brominated Monomer as a flame retardant. Note that this is a Monomer and
not a polymeric compound, such as the banned flame retardants PBB (Poly
Brominated Biphenyl) and PBBE (Poly Brominated Biphenyl Ether). As a
percentage of the finished component weight, the flame retardant represents
about 2% of total weight. That's roughly 1 to 5 mg per part, depending on
size.
Nancy Reynolds
KEMET Electronics
Guenter Eckart <[log in to unmask]>@IPC.ORG> on 12/03/99 09:37:58 AM
Please respond to "Leadfree Electronics Assembly E-Mail Forum."
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Subject: [LF] halide-free
Dear all,
we are, together with the lead-free actions, also working on
halide-free systems. With regard to semiconductor packaging (OFP, PLCC
etc. - epoxy mould compound) what is the halide content of the commonly
used flame retardants.
Who has a reliable number?
Thanks for your help.
Guenter Eckart
Alcatel SEL
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IPCWorks -October 25-28 featuring an International Summit on Lead-Free
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Assemblies.
Please visit IPC's Center for Lead-Free Electronics Assembly
(http://www.leadfree.org ) for additional information.
For technical support contact Gayatri Sardeshpande [log in to unmask] or
847-790-5365.
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Leadfree E-Mail Forum provided as a free service by IPC using LISTSERV 1.8c
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To subscribe/unsubscribe, send a message to [log in to unmask]
with following text in the body:
To subscribe: SUBSCRIBE Leadfree <your full name>
To unsubscribe: SIGNOFF Leadfree
################################################################
IPCWorks -October 25-28 featuring an International Summit on Lead-Free Electronic
Assemblies.
Please visit IPC's Center for Lead-Free Electronics Assembly
(http://www.leadfree.org ) for additional information.
For technical support contact Gayatri Sardeshpande [log in to unmask] or 847-790-5365.
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