Akzo Nobel Expancel® 051 WU 40 Wet unexpanded microspheres

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Akzo Nobel Expancel® 051 WU 40 Wet unexpanded microspheres
Categories:	Other Engineering Material; Additive/Filler for Polymer; Polymer; Thermoplastic
Material Notes:	Expancel microspheres are thermoplastic hollow spheres. The microspheres are white spherically formed particles with a thermoplastic shell encapsulating a gas. When the microspheres are heated the thermoplastic shell softens and the gas increases its pressure, resulting in an expansion of the spheres. Applications: Anti-slip coatings; Braille paper; Carpet underlays; Printing ink
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Physical Properties	Metric	English	Comments

Density	<= 0.0250 g/cc	<= 0.000903 lb/in³	TMA
Particle Size	9.0 - 15 µm	9.0 - 15 µm	D(0.5)

Thermal Properties	Metric	English	Comments
Transformation Temperature	108 - 113 °C	226 - 235 °F	Expansion Starting Temperature
	142 - 151 °C	288 - 304 °F	Temp at Max Expansion

Descriptive Properties
Solvent Resistance	4		Scale of 1 to 5

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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PEXPAN07 / 38064

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