Please give me suggestion of what materials that are insulators?
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Wood.  Wood is an insulator.  The other materials conduct electricity.
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Chemicals... mostly some kinda acid. And some have nickle in it, but I donno if it'll be a solid (metal) or a liquid form. Bust one open and ya'll find out whats really in one.\n\nAnd also that's why they tell ya not to leave patteries in electonics for long periods of time with no use, cause the battery would start to leak the acid and it could fry the system.
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Maleable and formatable\nand\ngood insulators. They both are properties of metals, which are bonded.\n\nStiff,viscous, and brittle are descriptions of an ionic bond like, for example NaCl, salt.
876010
all kinds of organi materials
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For academic related materials Wikepedia is the best in the business Go to http://en.wikepdia.org \nFor your quetion answer is already there on Wiki\nhttp://en.wikipedia.org/wiki/Electrical_insulators
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http://www.itt.edu/staff/boyter/links/index.html\n\nLook under chemistry equipment.  There are some chemicals you will not be able to get.  Posting what you are looking for would help.
334266
A semiconductor is a material with an electrical conductivity that is intermediate between that of an insulator and a conductor. A semiconductor behaves as an insulator at very low temperature, and has an appreciable electrical conductivity at room temperature although much lower conductivity than a conductor. Commonly used semiconducting materials are silicon, germanium, gallium arsenide and indium phosphide.\n\nA semiconductor can be distinguished from a conductor by the fact that, at absolute zero, the uppermost filled electron energy band is fully filled in a semiconductor, but only partially filled in a conductor.\n\nThe distinction between a semiconductor and an insulator is slightly more arbitrary. A semiconductor has a band gap which is small enough such that its conduction band is appreciably thermally populated with electrons at room temperature, whilst an insulator has a band gap which is too wide for there to be appreciable thermal electrons in its conduction band at room temperature.
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http://www.garp.com/frmexam/BuyStudyMaterials.asp
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Surface static electricity is formed on insulating substances because you can by friction rub electrons onto or off of a surface.  In metals, electrons are shared between every atom in an electron 'sea' as opposed to the localised bonding in insulators.  Therefore in metals, any electrons deposited on or removed from a surface simply migrate/diffuse into the metal and remake the balance that existed initially.
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Insulators do not have free electrons to conduct heat or electricity.\n\nMetals, on the other hand, DO have free electrons, and so conduct electricity and heat.  ALL elements can be classified as either conductors, semiconductors, or insulators, depending on how easily electrons will flow.\n\nThe only exception to this rule is diamond, which is an electrical insulator (no free electrons), but an excellent heat conductor.  (The reason is that heat can be transferred by atomic vibration of the diamond crystal lattice, but electricity cannot)
198871
Silica sand.\n\nhttp://www.publicbookshelf.com/public_html/The_Household_Cyclopedia_of_General_Information/howtomak_cge.html
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If you have the letter names, use the Periodic Table of Elements.  If not, use PH paper, and that might help.  Go by color, soluability, and texture.
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Polyethersulfone (PESU)\nPolyphenylene Sulfide (PPS)\nPolyvinylidinefluoride (PVDF)\n\nMany Properties of these and hundreds of materials can be found at matweb.com
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In gap between the valence band and the conduction band is very high. Conductors have overlapping bands. Semiconductors have small gaps (e.g., Si=1.1eV). Insulators have high gaps (SiO2 about 8 or 9eV).
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Because if you use bad insulators like metal the energy will escape as heat therefore increase the temperature during summer but if you use a good insulator that energy won't escape thus not increasing the temperature or anything not needed (energy that is ).
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Copper. Or if you mean electronics (not electrical), it would be silicon (otherwise known as sand).