Evonik DYNACOLL® 7380 Copolyester

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Evonik DYNACOLL® 7380 Copolyester
Categories:	Polymer; Thermoset; Polyester, TS
Material Notes:	DYNACOLL® 7000 products are linear copolyesters with primary hydroxyl functionality and medium molecular weight. Our DYNACOLL® 7000 product line is designed as a building block system, allowing the tailormade production of reactive hot melts (RHM). The 7300 series is a crystalline
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Physical Properties	Metric	English	Comments

Density	1.10 g/cc @Temperature 23.0 °C	0.0397 lb/in³ @Temperature 73.4 °F
Viscosity	2000 cP @Temperature 80.0 °C	2000 cP @Temperature 176 °F
Molecular Weight	3500 g/mol	3500 g/mol

Chemical Properties	Metric	English	Comments
Total Acid Number	<= 2.0	<= 2.0	[mg KOH/g]

Mechanical Properties	Metric	English	Comments
Tensile Strength, Ultimate	20.0 MPa	2900 psi	with MDI; OH:NCO=1:2.12
Elongation at Break	20 %	20 %	with MDI; OH:NCO=1:2.12

Thermal Properties	Metric	English	Comments
Melting Point	70.0 °C	158 °F
Softening Point	77.0 °C	171 °F
Flash Point	>= 300 °C	>= 572 °F

Descriptive Properties
Hydroxyl Number (mg KOH/g)	27-34

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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PHUMB217 / 81219

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