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Torch Led
Torches are so common these days - you can get them from almost any type of shop including the local grocers (yes, I've seen them next to the carrots!), but do you have one in the office and does everyone know where it is? More importantly, does it have batteries? Do you know it will switch on if needed?
Because torches are now so common, we've almost become throw-away in our attitude to them and so we know they're about but we don't actually discover they don't work until we come to use them.
There are many reasons why we might need them too, so it's best to keep one close at hand. As we move into winter, they become even more useful as a power cut in the afternoon could very easily plunge the office into darkness.
Even though most offices will now have emergency lighting that will come on in the event of a fire or other disaster, there is every chance it could fail too. If there's no power at all, your lights will go off and the emergency ones may only last for a short while as the batteries run down.
Also, if you suffer a flood (ever more common these days), would you really want to be walking around in pools of water with electricity running? It's usually the first thing to be switched off when the fire brigade turn up so you'd better be ready, and a bunch of candles won't help too well either.
Luckily, there are so many options available that it really is no excuse not to have some kind of torch at easy hand in the workplace.
As with most areas of the workplace these days, they've also become extremely efficient and with the advent and lower cost of LED technology, they not only last longer but they also take less power to run and so you will very rarely find yourself without power when you need it most.
They are also extremely robust and many of the better torches will boast a high water-resistance and in some cases full water proofing.
For a massive range of office products check out The Office Supplies Supermarket which contains the details of over 50,000 items together with an extensive FAQ section so you are never lost or misinformed.
You can also get a wide range of health and safety equipment from their new store that also provides reams of information about the latest in environmental and safety related items.
What kind of material is the so called flint in a cigarette lighter made from?
There is no possible way it could be flint stone due to certain property's. When heated with a torch it burns slowly and continuously until it's consumed. This leads me to believe it contains magnesium.Am I right or wrong? what are other materials it,s combined with?
Ferrocerium
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Spark from ferrocerium.Ferrocerium is a man-made metallic material that has the ability to give off a large number of hot sparks when scraped against a rough surface (pyrophoricity), such as ridged steel. Because of this property it is used in many applications, such as clockwork toys, strikers for welding torches, so-called "flint-and-steel" fire-starters in emergency survival kits, and perhaps most commonly in lighters as the initial ignition source for the primary fuel. What is commonly called "flint" in modern times is actually ferrocerium. Also known as Auermetall after its inventor Baron Carl Auer von Welsbach, it is sold under such trade names as Blastmatch, Fire Steel, and Metal-Match.
While ferrocerium-and-steels function in a similar way to actual flint-and-steel in fire starting, ferrocerium actually takes on the role that steel played in traditional methods: When small shavings of it are removed quickly enough, the heat generated by friction is enough to ignite those shavings. The sparks generated are in fact tiny pieces of burning metal. In traditional flint-and-steel fire-starting systems, using actual flint, tiny shavings of the steel that are removed in the striking process, rather than the actual flint, are what burn. The origin of its easy sparking is cerium's low temperature pyrophoricity, its ignition temperature occurring between 150 and 180 degrees celsius.
Since smaller scrapings become better sparks, the mechanical properties of rare earth metals must be adjusted to give a usable material; to that end, at least two strategies have been developed to make such alloys more brittle:
Oxide - most contemporary flints are hardened with 20% iron oxide and 2% magnesium oxide.
Intermetallic - in the Baron von Welsbach's original alloy, 30% iron (ferrum) was added to purified cerium, hence the name "ferro-cerium". Iron reacts with rare earth metals to form hard intermetallic compounds similar to those in neodymium magnets; such magnets are also known to generate sparks quite easily when broken.
There were actually three different Auermetalls developed: The first was just Iron and Cerium, the second also included Lanthanum to produce brighter sparks, and the third added other heavy metals.
Lighting a firelighter with ferrocerium.A modern ferrocerium firesteel product is composed mostly of iron, combined with an alloy of rare earth metals called mischmetal (containing approximately 50% cerium, 45% lanthanum, and small amounts of neodymium and praseodymium), plus a small amount of magnesium[1]:
Iron: 19%
Cerium: 38%
Lanthanum: 22%
Neodymium: 4%
Praseodymium: 4%
Magnesium: 4%
[edit] References
^ Cerium flint rod product description
Disambiguation of "flint and steel"
Jorgenson, John D.; Corathers, Lisa A.; Gambogi, Joseph; Kuck, Peter H.; Magyar, Michael J.; Papp, John F.; Shedd, Kim B.. "Minerals Yearbook 2006: Ferroalloys". United States Geological Survey. http://minerals.usgs.gov/minerals/pubs/commodity/ferroalloys/myb1-2006-feall.pdf. Retrieved on 2009-04-24
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