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what is the best aluminum epoxy |
Posted by: VeolaRhoad - 01-14-2020, 03:13 AM - Forum: aluminium faq
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I have to repair a cracked aluminum engine block. What alumunum epoxy should I use?cracked where? i could suggest the wonder rods, such as dura-fix. i\'ve used them on some aluminum repairs in the past. when the thickness of the materials is uniform, its a good easy to use product. when the thickness changes, its useless. i wouldnt think of using it on a motor repair though. melting temp is a bit low, much closer to combustion temps then alum\'s melting temp. the truly best way to fix anything alum is with a TIG welder in the hands of somebody who knows how to use it. but, any good welder will probably look at you like you are nuts when you bring a motor in to be welded. depending on exactly what you have, the entire powerblock, which is the motor part, might be avaible for purchase to replace your old one with. it may be priced at under a $1,000. you would end up with a brand new motor. for outboards, when teh drive is in good condition, this can be a great way to get a brand new outboard performance at a far cheaper price.Best Epoxy For Aluminumelmers glue! Lol. I believe you can have it welded. That will last for a while.or until you can get another one.Other related question
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deoderants without aluminum |
Posted by: Gojokata - 01-14-2020, 03:13 AM - Forum: aluminium faq
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is there any kind of deoderant, other than those crystals that smell, that don\'t have aluminum in it?Green People\'s deodorant doesn\'t have aluminium or parabens; many people avoid these to be on the safe side. Please be aware though that \'deodorants/anti-perspirants cause breast cancer\' is an urban myth. There is no evidence that this is the case and the email that did the rounds a while ago was a hoax.yes, just look for the word \'deodorant\' instead of \'anti-perspirent\'. I understand you may be concerned about the aluminum causing harm - however, it is the only way to stay \'dry\'. The others allow you to sweat, and just cover up the odor.Funny you should ask...I was reading the labels just yesterday on my deods also! Old Spice has Alum Hydroxide...Brut has Popylene Glycol and Old Spice High Endurance has Dipropylene Glycol. Ususally the 1st ingredient that you read on the label tells what it is the main ingredient. I prefer Brut!aluminum is the anti persperat find any product that say deodorant onlyMennen makes a line of plain old deodorant. They also make antiperspirants, though, so be sure you read the label.Other related question
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connect copper to aluminum |
Posted by: Zulakata - 01-14-2020, 03:13 AM - Forum: aluminium faq
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I need to fix some connections at my dad\'s house. The original wiring is aluminum, but the newer stuff he did is copper. Simple wire nuts will not suffice. Already had one melted one. I need to fix the connections, but need an economical, safe way of doing it. Suggestions?You need both anti-oxide paste, (follow directions), and spring type connectors to take care of the thermal creep.- A good electrical supply hose will have them. Give them the details and they\'ll advise you. (Last I heard, modern wirenuts are \' UL listed\' for the application. Lack of the surface treatment is probaly the cause of your bad connection.) Aluminum wiring isn\'t bad by itself. It\'s the terminations that cause the problems. Bad advice Shabir - Screw connectors have no \'spring\' to take up the thermal cycles of the aluminum and are exactly the WRONG thing to use for the problem in question.The wire on the exit signs are silver in color but are probably not aluminum, usually having some content of nickel causing the silver appearance. But I can\'t see the wire over the internet, but if you really think they are aluminum you need to find connectors that are labelled cu/al that have a special antioxidant contained in the connector. If they aren\'t aluminum the special connectors won\'t hurt a thing.Replace all the wires into copper. Risk of fire as copper joints with aluminum or cause intermittent problem use on heavy current load. Because copper twists joint with aluminum create thermo effect. Aluminum wire was abandoned for house wiring long long time ago.It is safer to replace aluminum with copper. Joints between copper and aluminum tends to oxidize and overheat Electrical fire may happen because of it. In aerial installation, copper is joined to aluminum by means of compression lugs and the lugs screwed together with dow corning compound as anti-oxidant compoundNot a good idea. Replace the aluminum. The metals can react and heat up.Other related question
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Aluminum Corrosion with Degreasers and Cleaners |
Posted by: Annaboiaqew - 01-14-2020, 03:13 AM - Forum: aluminium faq
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I was hoping someone could explain aluminum corrosion with degreasers and cleaning formulas for automotive cleaning. This starts with, where is this aluminum (wheels)?, what types of cleaners?, do cleaners cause corrosion? Any insights would be appreciated.Contrary to popular believe, aluminum oxidizes just like steel. Steel rusts to a reddish color. Aluminum rusts to a white color and looks more like corrosion. Aluminum cleaners or cleaners safe for aluminum usually clean without staining the aluminum surface. Hardly any cleaner for for automotive use will corrode aluminum. Visit your local auto parts store and read the labels for a wheel cleaner that is \'safe\' for aluminum. You should be able to use it on all aluminum surfaces.stick with an automotive brand cleaner most wheels are clearcoated to prtect the finish. I use 50/50 water and simple green to clean wheels and ive been detailing 20+ yearsOther related question
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Why does Aluminum rust is electron orbitals |
Posted by: RichadPseus - 01-14-2020, 03:13 AM - Forum: aluminium faq
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My understanding of the periodic table, the transitional metals all rust because the S shells are higher energy then the D shells. So all transitional metals have 2 valence electrons. (Roughly...some electrons like to move around and give different apparent charges.) So why does aluminum corrode if it doesn\'t have a 2+ charge?\'Rusting\' commonly refers to the corrosion (oxidation) of iron so when talking about other metals, it is better to use the term \'corrosion\' or \'oxidation\'. Aluminum can corrode and the fact that it has a general oxidation number of +3 doesn\'t really matter. Many elements which have a charge that is different from +2 can oxidize. Alkali metals for instance (which have a charge of +1) can oxidize. Lithium can form lithium oxide (Li2O), sodium can form sodium oxide (Na2O) and so on. However, aluminum is known to be quite resistant to corrosion (oxidation) because it spontaneously forms a thin (solid) oxide layer at it\'s surface protecting it from further oxidation whereas iron, for an example, will easily lose that thin layer (it \'\'peels off easily\'\') exposing more iron to corrosion. So since Al has a +3 charge and O has a -2 charge, you\'ll need 2 atoms of Al and 3 atoms of O to make an electrically neutral compound. 2 atoms of Al = +6 charge 3 atoms of O = -6 charge Hence Al2O3 which is aluminum oxide. I hope it helps.Other related question
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Doesnt the acidity of soda drinks dissolve aluminium cans |
Posted by: Wrerenesarcasia - 01-14-2020, 03:13 AM - Forum: aluminium faq
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I know aluminium forms a protective layer of aluminum oxide and hence water does not corrodes it easily.However, since the oxide is amphoteric, won\'t it react with acids and subsequently be dissolved?What is the main reason aluminium cans are used?Because of the aluminum chemical properties. Aluminum Oxide (Al2O3) is an extremely hard and compact material, so when the metal is exposed, it gets a very thin coat of Al2O3 that has a 9 hardness (only diamond is harder), that protects the rest of the metal from the atmosphere. Also, you should question if the phosphoric acid actually attacks aluminum, that is because that acid is found in Pepsi and coke..., BUT, as far as i know cans have a little plastic coat inside..., so the liquid does not get in touch with the aluminum.The old tin ones and bottles hurt when you smash them on your foreheadbecause they are light and easy to smash with your handOther related question
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Do you feel aluminum siding has a low class image |
Posted by: enyfux - 01-14-2020, 03:13 AM - Forum: aluminium faq
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Aluminum siding is essentially maintenence-free, extremelydurable, and is a great insulator, even better than brick. Brickleaks air through the mortar between the bricks, especially in olderhouses that need tuckpointing. My question is, do you feel sidingstill has a declasse connotation, or is it getting more acceptableas the years go on?No worse than vinyl. The advantage vinyl has over aluminum is its resistance to denting. Siding is a good finish, but if you\'ve already got a brick exterior, you\'re wasting the hard hours the masons put in to make it. If the brick has deteriorated or is horribly scarred, like having survived a hurricane or tornado, then sure, siding will spiff it up cosmetically as well as adding insulation value. That said, I\'d rather take a house with aluminum siding over wood any day...and vinyl over that. If you get the siding in the color you want, as it\'s the entire thickness of the vinyl, powerwashing the outside won\'t take the color off as it could with painted wood or (though less likely) the finish on the aluminum...unless you *like* painting Brick is certainly the most durable if taken care of properly. My second choice is aluminum siding, which is far more durable than vinyl siding any day. Vinyl is simply more affordable, which is why most home have it these days - whoever decided that aluminum siding declasses a home, is full of malarky.Can\'t beat brick!!!Other related question
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How can you turn aluminum oxide into Al |
Posted by: JaymeDarro - 01-14-2020, 03:13 AM - Forum: aluminium faq
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I am trying to find away of turning aluminum oxide or alumina into just aluminum. Please post all ideas i dont care how crazy.The problem is that in an oxygen rich environment, like the air, then aluminum will instantly form a protective coating of aluminum oxide on any freshly prepared surface. So, mechanical sanding or abrasion will be of little help. You could abrade the surface inside of a container where there is no oxygen. That would require the construction of an airtight glovebox, then fill it with N2 or an inert gas. The aluminum oxide coating will dissolve in very basic solutions. Aluminum metal is also very reactive with water. 2Al + 6H2O -- 2Al(OH)3(s) + 3H2(g) In Drano, the basic solution dissolves the Al2O3 coating, which allows the Al metal to react with water producing H2 gas and the agitation needed to help dissolve the clog.ensure u have distilled water cuz if there is salt in it, u might finally end up freeing chlorine interior the air and die. haha. ok, take a 9 -12 volt battery or something like that and placed 2 wires from the positve and unfavourable ends interior the water. the only cord that bubbles extra is the hydrogen. so turn a attempt tube and placed it interior the water and so as that there is not any air interior the attempt tube. whilst the cord is going in, the hydrogen will fill it up and u\'ll be left with organic hydrogen interior the tube. i don\'t be conscious of if i defined it perfect yet there are a team of video clips on youtube. examine them out.usually, in industy, the common way used is electrolysis...aluminium oxide, Al2O3 is heated until it\'s molten...then cryolite is added to bauxite (aluminium oxide) to lower its melting point before electrolysis is carried out to obtain pure Al metal...Other related question
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Aluminum Foil on Windows for summer heat or what works |
Posted by: Billiebooff - 01-14-2020, 03:13 AM - Forum: aluminium faq
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Does Aluminum Foil really work to help beat the summer heat?I live in San Diego which is known for having perfect weather pretty much all year round, but just yesterday we are starting to get some record breaking heat. Most apartments, condos, and houses do not have A/C because like I just mentioned it\'s usually in the high 60s or low 70s during the spring and summer, perfect.Will Aluminum Foil work or can someone else suggest anything else?!PLEASE note that I\'m just putting aluminum foil on my bedroom window which just faces some other apartment complex and I am not concerned with the aesthetics. I might consider putting something up (but just not sure what) on the living room window other than aluminum foil since everyone can see that window.The aluminum foil does work, shiny side out. It just reflects some of that bright afternoon sun to keep the room from heating up. I use a window film I found at Home Depot that is UV filtering that works too. You cut it close to size, spray the window with water put it on. You squeegy out the water get rid of the bubbles and use a razor to trim it to exact size. Both of these work, it just depends on whether or not you want to eleminate any light that comes into the room or not.This Site Might Help You. RE: Aluminum Foil on Windows for summer heat or what works? Does Aluminum Foil really work to help beat the summer heat? I live in San Diego which is known for having perfect weather pretty much all year round, but just yesterday we are starting to get some record breaking heat. Most apartments, condos, and houses do not have A/C because like I just...First, get rid of the black curtain. Black absorbs solar heat, truthfully, any dark color. Put up white or a very light color instead. That will reflect the heat back out. You can buy an insulated pull shade or use automotive window tint on the window to help too. Another idea is to cover some foam board with foil and stick that in the window. And keep your bedroom door closed since you now have a window a/c unit. Good Luck!If it was me id put window tint that has a reflective(aluminum coating) facing outward. It works well and is more appealing,also your apt mgr may not approve of the foil on the window.Realize that foil is a conductor of heat. Your best action would be to open the top 1/4 of your window and also the bottom 1/4 of the window . This would get convection rolling, or a cooling breeze going, even if you are closed in, even in a ventilation column. Use sun blocking shades in the hot early morning sun and the hot evening west sun. Use the open on the top- open on the bottom- window idea to create the loss of heat - even moreso than a fan... which creates heat! Try using a room partition such as a pretty 3-fold dressing screen to stop the blazing sun from heating your space. It is a moveable shade screen to be used for your advantage.Stay cool Babe!Other related question
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