Electronics Forum: retardant (Page 1 of 5)

flame retardant deca-BDE ban

Electronics Forum | Tue Dec 16 10:59:50 EST 2008 | patrickbruneel

Here's a new ban proposal by the EU on the flame retardant deca-BDE. A product that has kept our electronics safe for over decades. The good part is that the scientific community in the EU looks like to put up a bigger resistance as was the case wit

flame retardant deca-BDE ban

Electronics Forum | Tue Dec 16 17:07:46 EST 2008 | stepheniii

NEW ban proposal? It was exempted from ROHS and that exemption was lifted during the summer. I made a post about it no longer being allowed back in July. Here's a link I posted. http://www.rsjtechnical.com/NewsDecaBDE.htm

flame retardant deca-BDE ban

Electronics Forum | Wed Dec 17 11:28:22 EST 2008 | patrickbruneel

Stephen, You're absolutely correct I totally miswrote the post. What I wanted to highlight is the efforts from the reachforlife organization. Decision making should be based on scientific evidence. http://www.reachforlife.eu/home.php?lg=UK

Printed circuit boards materials

Electronics Forum | Mon Apr 12 22:50:46 EDT 2004 | davef

For more information on flame retardents, try these sites: * http://www.bsef.com * http://www.firesafety.org For the summary of a study into flame retardants try: http://www.surrey.ac.uk/PRC/ IVF carried out an international study on alternati

Re: Bromine Free Circuit Boards

Electronics Forum | Mon Dec 18 11:25:19 EST 2000 | Charles Harper

Flame retardant epoxy-glass circuit boards are made using brominated epoxies,with the bromine atoms providing the flame retardancy.In a fire,these boards can give off toxic gases.Bromine free epoxies can be used,with other additives being used to pro

No-Clean Solder

Electronics Forum | Mon Mar 05 13:22:20 EST 2007 | blnorman

We use (and have for some time) used No-clean on our radio boards with no problems. We also conformally coat with a platinum catalyzed, addition cure silicone coating with occassional problems. These silicones are prone to cure inhibition or retard

Cu% spec for lead free HASL surface finish

Electronics Forum | Wed Nov 28 22:33:24 EST 2007 | davef

There is no specification for lead-free HASL. You can use any lead-free solderability protection that meets your customer requirements. Use IPC-9701 �Performance Test Methods and Qualification Requirements for Surface Mount Solder Attachments� to ass

PDBE and PBB replacements???

Electronics Forum | Fri Mar 11 18:47:54 EST 2005 | davef

JD: It's important to note that FR-4 does not contain PBB or PBDE. The bromine in FR-4 epoxy comes in the form of tetra-bromo-bisphenol A [TBBA], which polymerizes and become part of the cross-linked epoxy. Bromine, in the form of hydrogen bromide, i

UL & ROHS PCB manufacturer

Electronics Forum | Tue Jul 31 04:53:28 EDT 2018 | teresat2

The UL Safety Laboratory is the most authoritative in the United States and a large private institution engaged in safety testing and identification. The UL+ number on the PCB mainly represents the UL certification of the circuit board in the United

Voiding in board to BGA joints

Electronics Forum | Tue Mar 09 17:52:05 EST 2004 | davef

Bryan: Comments are: * You're correct, solder paste formualtion is a major driver to voiding in BGA balls. * Voids are primarily process indicators. There is experimental evidence that voids retard crack propagation locally around the void on a temp

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