silicon fume damage to drivers

dublin78 · 21st September 2006, 11:30 AM

I have read that using silicon sealer in loudspeaker cabinets can damage the drivers. Is this true? How serious can this be?
I used a very small amount to make an airtight seal around my tweeter and midwoofer, also on the back plate of the cabinet.
I am worried that I might have slipped up.
Any ideas.

richie00boy · 21st September 2006, 12:08 PM

If it was just to seal between two surfaces and just a small amount, you are probably OK. It's when you go all round a box inside to bead off all the edges that is the problem because the sealent gases off into the box.

AuroraB · 21st September 2006, 12:19 PM

Acrylic sealer is a better choice for several reasons, - one being it adheres much better to wood, chipboard, MDf etc.etc.
Silicon does a better job on glass ceramics and the likes- there are also various silicon products-- the acetic acid based versions are the ones to be avoided here.

21st September 2006, 11:30 AM	#1
dublin78 diyAudio Member Join Date: Mar 2006 Location: Cheshire	silicon fume damage to drivers I have read that using silicon sealer in loudspeaker cabinets can damage the drivers. Is this true? How serious can this be? I used a very small amount to make an airtight seal around my tweeter and midwoofer, also on the back plate of the cabinet. I am worried that I might have slipped up. Any ideas.

21st September 2006, 12:08 PM	#2
richie00boy Did it Himself diyAudio Member Join Date: Nov 2003 Location: Gloucestershire, England, UK	If it was just to seal between two surfaces and just a small amount, you are probably OK. It's when you go all round a box inside to bead off all the edges that is the problem because the sealent gases off into the box. __________________ www.readresearch.co.uk my website for UK diy audio people - designs, PCBs, kits and more

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21st September 2006, 12:19 PM	#3
AuroraB diyAudio Member Join Date: May 2001 Location: Norway, -north of the moral circle..	Acrylic sealer is a better choice for several reasons, - one being it adheres much better to wood, chipboard, MDf etc.etc. Silicon does a better job on glass ceramics and the likes- there are also various silicon products-- the acetic acid based versions are the ones to be avoided here.

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