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Expancel Microspheres - Boud
Expancel Microspheresan IntroductionIntroduction to Expancel MicrospheresExpancel Microspheres are small spherical plastic particles. The Microspheres consist of a polymer shell encapsulating a gas. When heated, the internal pressure from the gas increases and the thermoplastic shell softens, resulting in a dramatic increase of the volume of the Microspheres . The gas remains inside the of Expancel Microspheres . This results in a dramatic decrease of the values are from 1000 down to 30 kg/m3 ( to lbs/gal).Thermomechanical propertiesExpancel is available with expansion temperatures in the range of 80 - 190oC (175 - 375oF). Expancel can normally be stored for a long time at room temperature without negative effects on the properties; very high temperatures should be Microspheres regain their original volume when the pressure is released.
Introduction to Expancel® Microspheres Expancel® microspheres are small spherical plastic particles. The microspheres consist of a polymer shell encapsulating a …
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