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(...) Usually they start by grading them according to the actual plastic compound, like acryllic (I believe that's what the old "thief-smasher" phones of the 70's were made from) or vinyl (used as a surface layer on many dashboards). After that (...) (20 years ago, 16-Jul-04, to lugnet.color)
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| | Re: A question of humidity...
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SNIP (...) Please explain this to me.....sodium will explode when it gets wet? If this is true than wouldn't the oceans blow up? Just curious.... Jen (20 years ago, 17-Jul-04, to lugnet.color)
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| | Re: A question of humidity...
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(...) Pure sodium (the metal) will explode (= react violantly) with water. However, the sodium that is in the oceans is not the metal, but the ion - positively charged. It is usualy accompanied by a chlorine ion (negative). Just like salt that you (...) (20 years ago, 17-Jul-04, to lugnet.color)
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| | Re: A question of humidity...
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(...) Well, it's a little more complicated than that. The sodium itself doesn't actually explode. It oxidizes in an exo-thermic reaction (meaning that it strips water molecules of their oxygen atoms and produces a lot of heat). The "waste" products (...) (20 years ago, 17-Jul-04, to lugnet.off-topic.geek)
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| | Re: A question of humidity...
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(...) Pure sodium metal will react with water to form hydrogen and heat energy; more than enough heat energy to ignite the hydrogen. Hydrogen is highly flamable. -Rob. (20 years ago, 17-Jul-04, to lugnet.color, lugnet.off-topic.geek)
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