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Is expanded polystyrene a thermosetting or thermoforming plastic?

Polystyrene is a very poor conductor of heat. This is why its used as an insulator in some products.


What is the scientific name of styrofoam?

Styrofoam doesn't have a scientific name, since it is an object, but the closest would be it's official name, polystyrene thermal insulation material.


Why does polystyrene melt when in contact with plastic electrical cable insulation?

AnswerIsn't polystyrene commonly known as "styrofoam" ?If so, why is it coming in contact with electrical wiring?In any event, if the polystyrene is melting, the wiring may be overloaded or has a hotspot due to a failure. The wire may be getting hotter than it should be.I am not aware of any chemical reaction that would occur if the two plastics touch each other at room temperature.I am:-Polystyrene is commonly used in loft and wall insulation, just the places that cables are run. The plasticisers used to make the PVC insulation on the cables flexible reacts with the polystyrene resulting in the polystyrene appearing to 'melt' and the plasticiser migrates out of the cable making it brittle and causing the insulating properties to break down. The cable will eventually fail, especially if disturbed and this is both a fire and electrocution risk.There is the added problem that the cables will get hotter due to the thermal insulation properties of the polystyrene preventing the cable from losing heat. If this hasn't been allowed for in the design of the circuit it too could be a fire hazard.The wiring regulations (BS7671 section 522.5.3) prohibits contact between PVC cables and polystyrene, but this is a common problem. An electrical engineer (or most electricians) can do a periodic inspection of your wiring system that includes insulation tests that will identify failed or failing cables. The only solution is to replace damaged cables and reroute them or provide conduit to protect them.PS Styrofoam is, I believe, an American brand name for polystyrene often associated with disposable coffee cups and similar products.


How to react when one praises my work?

You would react with happiness when someone praises your work.


Why is an experiment performed in a polystyrene cup and not in a glass beaker?

The polystyrene cup is a better insulator than metal, metal is a good conductor of heat and so would transfer the heat from the reaction to the air outside it, where polystyrene keeps the heat inside. This enables you to get a much more accurate reading, as less heat has escaped.

Related Questions

Which type of cups keep hot water hottest polystyrene plastic glass?

Polystyrene is a plastic. I think you meant "polystyrene foam", which would be correct.


Where would you find any McDonald's polystyrene container?

does McDonald's serve coffee in polystyrene containers


Is polystyrene ball heavier than iron ball?

No, iron is denser and heavier than polystyrene. An iron ball would weigh more than a polystyrene ball of the same size.


Would polystyrene beads in a bed pillow be a health hazard?

For health hazards of polystyrene, type polystyrene in the ask box, go all the way down to the last definition. Click on the underlined words Health Hazards, and you have a full paragraph on polystyrene.


Is expanded polystyrene a thermosetting or thermoforming plastic?

Polystyrene is a very poor conductor of heat. This is why its used as an insulator in some products.


Where can one purchase polystyrene balls?

Someone looking to purchase polystyrene balls can find them at any hobby or craft store. Michael's would carry polystyrene balls. Online, one can purchase them at Amazon or eBay.


Should wrestling be banned?

Why Would It Be Banned? , No


What is the scientific name of styrofoam?

Styrofoam doesn't have a scientific name, since it is an object, but the closest would be it's official name, polystyrene thermal insulation material.


What would happen if hunting was banned?

It is banned. Has been for many years.


Which cup keeps hot water the hottest polystyrene or metal?

Polystyrene (especially the expanded "Styrofoam (R)" type) is a good insulator. Metals are good conductors of heat.The insulating cup will maintain a greater heat differential than the conductor so if there is a liquid in the cup that is at a greater temperature than the surroundings, the metal cup will loose more heat than the polystyrene cup.


What material would be the best for a hammer the wall of a saltwater aquarium and an egg carton?

polystyrene foam


How did people react to Harry Potter being banned?

It was quite popular, but nothing like as popular as it is now. It was considered as another good book aimed at young people. No-one expected it would become as popular as it has.