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What Is Styrofoam?

  
  
  
  
  
styrofoam on houseMany of us use the term Styrofoam as a reference to most plastic foam packaging.  We include foam drinking cups, packaging peanuts and the white material that our appliances, toys and so many other items are packaged in.  In fact, most of this is not Styrofoam.  Styrofoam is a registered trademark of Dow Chemical for an extruded polystyrene foam material sometimes referred to as XPS.  This material is always made in a sheet form and is generally the color blue.  The primary use for Styrofoam is for building insulation although you may find it used in Geofoam applications or in block form in the hobby store.  As Dow states on their website, "You can't drink coffee from a STYROFOAM cup. (There's no such thing.)"eps packaging

The typical foam coffee cup and the most common white colored packaging foam is expandable polystyrene foam or EPS for short.  This material is related to Styrofoam in chemical makeup but it is produced and formed in a different process.  It is generally recycled separately from DOW Styrofoam or other XPS material.   EPS can usually be identified by looking for the circular pattern on the surface created by the individual beads that are used to make the molded shape.

EPS is one of the best cushioning materials for protecting products during shipping.  While the claims that it is not biodegradable are true, the claims that it is not recyclable are totally false.  EPS foam packaging can be extruded back into solid PS pellets.  These can be used to produce many new items in PS plastic including coat hangers, CD cases and picture frames.

Comments

EPS - the best material!!!
Posted @ Wednesday, March 21, 2012 9:17 AM by Теплоизоляция
I believe that people will rely on Styrofoam. This age of young and old scientist must come together and freaking solve our problems like San Francisco sinking . I strongly agree that everyone should get together and help our country
Posted @ Tuesday, November 26, 2013 5:14 PM by dr.hofstater
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