Mu metal is very soft iron. They used to make tape recorder heads out of it but they wore out very quickly. It's claim to faim is that it has a very high magnetic permeability. I would think it would rust easily being made of almost pure iron. I can't imagine lining a hot water tank with it.
Regards. Max. K 4 O D S. Email: [email protected] Transistor site http://www.funwithtransistors.net Vacuum tube site: http://www.funwithtubes.net Music site: http://www.maxsmusicplace.com To subscribe to the fun with tubes group send an email to, [email protected] ----- Original Message ----- From: "Spiro" <[email protected]> To: <[email protected]> Sent: Sunday, August 23, 2009 12:43 AM Subject: Re: [BlindHandyMan] old water tanks > what is mu metal, or what is it made from? > > > > > > On Tue, 18 Aug 2009, Tom Fowle wrote: > >> tony, >> that is very weird, as the only thing I know about MU metalis that its >> the >> only substance around that actually can provide shielding against >> magnetic >> fields. >> >> that can't be the reason it would be used to line a hot water tank. It >> also >> has a pretty low melting point. >> HMMMMMM------ >> >> tom >> >> On Mon, Aug 17, 2009 at 05:12:35PM -0500, Tony wrote: >>> While most of them are, my dad paid an extra $10 to get one that was >>> lined >>> with something called mu metal. That was in 1955 and he is still using >>> it. >>> >>> Tony >>> >>> >>> -----Original Message----- >>> From: Lee A. Stone [mailto:[email protected]] >>> Sent: Monday, August 17, 2009 4:14 PM >>> To: [email protected] >>> Subject: Re: [BlindHandyMan] old water tanks >>> >>> >>> are all hot water tanks glass lined? Lee >>> >>> >>> On Mon, Aug 17, 2009 at >>> 04:07:29PM -0500, Jennifer Jackson wrote: >>>> So what is on the inside of a hot water tank? Does anyone know what >>>> they >>> are usually made of? >>>> >>>> >>>> Jennifer >>>> >>>> ----- Original Message ----- >>>> From: Jennifer Jackson >>>> To: [email protected] >>>> Sent: Monday, August 17, 2009 4:04 PM >>>> Subject: Re: [BlindHandyMan] old water tanks >>>> >>>> >>>> I think he is planning to use a second heat source, not the heating >>> source from the hot water tank. I think the tank is just supposed to be >>> the >>> pot. I am not certain though. >>>> >>>> Jennifer >>>> >>>> ----- Original Message ----- >>>> From: Lenny McHugh >>>> To: [email protected] >>>> Sent: Monday, August 17, 2009 3:42 PM >>>> Subject: Re: [BlindHandyMan] old water tanks >>>> >>>> Hi Jennifer, >>>> What an interesting concept. I don't think it will work for him. When >>>> he >>> >>>> looks at the inside of an old tank I do believe he will quickly >>>> change >>> his >>>> mind. Also is this a gas or electric heater? A gas might work better >>> since >>>> the heating element will not be in direct contact with the fabric. I >>>> by >>> no >>>> means am an expert but I really doubt if it will be successful. >>>> ----- Original Message ----- >>>> From: "Jennifer Jackson" <[email protected]> >>>> To: <[email protected]> >>>> Sent: Monday, August 17, 2009 4:25 PM >>>> Subject: [BlindHandyMan] old water tanks >>>> >>>> Guys, >>>> >>>> I think a friend is making a dangerous mistake and I want your >>>> thoughts >>> on >>>> this please. He wants to take the top off of an old hot water tank >>>> and >>> then >>>> turn the thing upside down and use it like a big cooking pot. Not for >>>> actual food, he wants to use it to dye fabric, but this still >>>> involves >>>> boiling water. So if it can be done, can it be done safely? >>>> >>>> Jennifer >>>> >>>> [Non-text portions of this message have been removed] >>>> >>>> ------------------------------------ >>>> >>>> Send any questions regarding list management to: >>>> [email protected] >>>> To listen to the show archives go to link >>>> >>> http://www.acbradio.org/pweb/index.php?module=pagemaster&PAGE_user_op=view_p >>> age&PAGE_id=33&MMN_position=47:29 >>>> Or >>>> ftp://ftp.acbradio.org/acbradio-archives/handyman/ >>>> >>>> The Pod Cast address for the Blind Handy Man Show is. >>>> http://www.acbradio.org/news/xml/podcast.php?pgm=saturday >>>> >>>> Visit The Blind Handy Man Files Page To Review Contributions From >>> Various >>>> List Members At The Following address: >>>> http://www.jaws-users.com/JAWS/handyman/ >>>> >>>> Visit the archives page at the following address >>>> http://www.mail-archive.com/[email protected]/ >>>> >>>> If you would like to join the JAWS Users List, then visit the >>>> following >>>> address for more information: >>>> http://www.jaws-users.com/ >>>> For a complete list of email commands pertaining to the Blind Handy >>>> Man >>> list >>>> just send a blank message to: >>>> [email protected]! Groups Links >>>> >>>> __________ NOD32 4343 (20090817) Information __________ >>>> >>>> This message was checked by NOD32 antivirus system. >>>> http://www.eset.com >>>> >>>> [Non-text portions of this message have been removed] >>>> >>>> >>>> >>>> >>>> >>>> [Non-text portions of this message have been removed] >>>> >>> >>> -- >>> Speaking of purchasing a dog, never buy a watchdog that's on sale. >>> After all, everyone knows a bargain dog never bites! >>> . >>> >>> >>> ------------------------------------ >>> >>> Send any questions regarding list management to: >>> [email protected] >>> To listen to the show archives go to link >>> http://www.acbradio.org/pweb/index.php?module=pagemaster&PAGE_user_op=view_p >>> age&PAGE_id=33&MMN_position=47:29 >>> Or >>> ftp://ftp.acbradio.org/acbradio-archives/handyman/ >>> >>> The Pod Cast address for the Blind Handy Man Show is. >>> http://www.acbradio.org/news/xml/podcast.php?pgm=saturday >>> >>> Visit The Blind Handy Man Files Page To Review Contributions From >>> Various >>> List Members At The Following address: >>> http://www.jaws-users.com/JAWS/handyman/ >>> >>> Visit the archives page at the following address >>> http://www.mail-archive.com/[email protected]/ >>> >>> If you would like to join the JAWS Users List, then visit the following >>> address for more information: >>> http://www.jaws-users.com/ >>> For a complete list of email commands pertaining to the Blind Handy Man >>> list >>> just send a blank message to: >>> [email protected]! Groups Links >>> >>> >>> >>> >> > > > ------------------------------------ > > Send any questions regarding list management to: > [email protected] > To listen to the show archives go to link > http://www.acbradio.org/pweb/index.php?module=pagemaster&PAGE_user_op=view_page&PAGE_id=33&MMN_position=47:29 > Or > ftp://ftp.acbradio.org/acbradio-archives/handyman/ > > The Pod Cast address for the Blind Handy Man Show is. > http://www.acbradio.org/news/xml/podcast.php?pgm=saturday > > Visit The Blind Handy Man Files Page To Review Contributions From Various > List Members At The Following address: > http://www.jaws-users.com/JAWS/handyman/ > > Visit the archives page at the following address > http://www.mail-archive.com/[email protected]/ > > If you would like to join the JAWS Users List, then visit the following > address for more information: > http://www.jaws-users.com/ > For a complete list of email commands pertaining to the Blind Handy Man > list just send a blank message to: > [email protected]! 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