Oh! OOOOH! BIG environmental concerns with Galden. GWP in the tens of
thousands (CO2 = 1), pretty well on a par with SF6. These PFCs are
controlled substances under the Kyoto Protocol.
Brian
Bill Kasprzak wrote:
> Gosh, with all due respect, I'm sure the equipment is using the Galden
> fluid for vapor and that drag out if any is minimal. No environmental
> concerns as far as I can tell.
>
> I think vapor phase will be the comeback kid in the years to come because
> of the even distribution of heat. (We do not have any lead-free soldering
> issues here)
>
> What I'm really talking about out is how inconsequential our impact on
> global warming compared to the enormous volcanic eruption in Chile. Some
> of the photo's are incredible. Maybe Steve can post them. I think they are
> available from the UK's Daily mail website.
>
> What's happening right now in Chile is a huge environmental disaster and
> no one, no laws, no regulations can do anything about it. It just shows
> how inconsequential we really are.
>
>
>
>
> Bev Christian <[log in to unmask]>
> Sent by: TechNet <[log in to unmask]>
> 05/12/2008 09:26 AM
> Please respond to
> TechNet E-Mail Forum <[log in to unmask]>; Please respond to
> Bev Christian <[log in to unmask]>
>
>
> To
> [log in to unmask]
> cc
>
> Subject
> Re: [TN] Vapor phase
>
>
>
>
>
>
> Ioan,
> Ask the supplier what is the global warming potential of the materials
> they are proposing as the thermal transfer material. Then you have to
> decide if you can live with the answer.
>
> Also, RF cans with small holes can be problematic.
>
> Bev
> RIM
>
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]] On Behalf Of Ioan Tempea
> Sent: Monday, May 12, 2008 9:24 AM
> To: [log in to unmask]
> Subject: [TN] Vapor phase
>
> Dear Technos,
>
>
>
> I would like to get your expert opinion on the latest developments in
> the vapour phase technology. The last time this topic has been discussed
> here this was still an environmental hazard.
>
>
>
> Here's the latest sales pitch:
>
>
>
> Dear Convection Oven Users:
>
> With Energy Costs Skyrocketing, You have a cheaper, efficient, and a
> better yield Alternative!!
>
> Low Operating Cost, 110 Volt Machine, Run Lead and Lead Free
> Sequentially!!
>
> High Yield, Run your Lead Free Boards at 230 Degrees Uniform Temperature
> Distribution, No Circuit Board Delamination, Uses Environmentally
> Friendly Teflon 2 Liquid No Hazardous Florocarbons!
>
>
>
> The questions are:
>
> * Are the advantages real, should I prefer vapour phase over
> convection in day by day reflow operations, from the technical point of
> view?
>
> * Would the technology finally be environmentally friendly?
>
>
>
> Thanks,
>
>
>
> Ioan
>
>
>
>
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