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Polystyrene is not very dense.
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Why are cooler boxes made of polystyrene?
ok
What is the difference between polystyrene and Styrofoam?
Polystyrene is a plastic that can be made into many products, which can be dense, or can be in the form of a low density foam, called Styrofoam.
Why can polystyrene be compressed?
Even though this is a solid, this is made up of foam and whilst being made, carbon dioxide has been pumped into it, meaning that when you compress the polystyrene, the gas is whats being compressed, not the solid surrounding the gas.
What is polystyrene use for?
Disposable cutlery, plastic models, CD and DVD cases, and smoke detector housings. Products made from foamed polystyrene are nearly ubiquitous, for example packing materials, insulation, and foam drink cups.
How is expanded polystyrene foam made before 1990?
It wasnt, it was invented after the 1990's
What are some uses of big rings 15 to 20cm diameter?
It depends on what the rings are made of. Steel would be more useful than polystyrene, for instance, and could be used in a game of garden quoits.
Why are lifesaving rings usally made of liquid?
They're not !... They're usually made of porous rubber, encased in an air-tight plastic 'jacket'. The air inside the pores helps keep the 'victim' afloat.
What is polystyrene made?
Polystyrene is obtained by the polymerization of the monomer styrene.
What is styrofoam cups made of?
Styrofoam... it's like polystyrene
What are helmets made from?
Helmets are mostly made from polystyrene
Was polystyrene made mistakenly or purposely?
it was made accidentally
Is Polystyrene made out of plastic?
no of cause not man it is made out of poleaster
Why are cooler boxes made of polystyrene?
ok
Why do fishing nets have polystyrene rings on one side and lead bobs on the other?
my common sense tells me that the polystyrene rings keep the net floating from one end and the lead bobs sink the other end so it will kind of open up for fish to enter and make it easier to pull it up.
What type of plastic is a plastic disposable cup made of?
Polystyrene. the opaque white cups that you can make fingernails impressions in, are foamed polystyrene. Clear sups that you get on an airplane are general-purpose polystyrene.
What is Polystyrene beads made from?
Yes, polystyrene beads are safe to use. One can learn more about polystyrene beads at popular on the web sources such as Tempo Foam, eHow, and Wise Geek.
What type of plastic are car radiator tanks made of?
It's made out of polystyrene and tough nylon together, miced together and made as a solidIt's made out of polystyrene and tough nylon together, miced together and made as a solid
