REXtac Rextac® RT 2180 Amorphous Polyalphaolefin (APAO)

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REXtac Rextac® RT 2180 Amorphous Polyalphaolefin (APAO)
Categories:	Polymer; Thermoplastic; Polyalphaolefin; Polyolefin
Material Notes:	Adhesive and Sealant Grade. Description: Propylene homopolymer and FDA compliant Features: High softening point, short open time, good cohesive strength, and high viscosity Applications: Component of hot melt adhesives, sealants and specialty products Other Properties: Ring and Ball Softening Point (ASTM E 28): 157°C. Needle Penetration (ASTM D 1321): 10 mm. Shear Adhesion Failure Temperature (SAFT), Kraft/Kraft (Huntsman Method): 139°C. Open Time, Kraft/Kraft (Huntsman Method): 0 sec. Melt Density (190°C; Huntsman Method): 0.74 g/cc. Flashpoint, COC (ASTM D 93): >235°C. Information provided by Huntsman Corporation.
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Physical Properties	Metric	English	Comments

Density	0.860 g/cc	0.0311 lb/in³	ASTM D 792
Melt Density	0.740 g/cc @Temperature 190 °C	0.0267 lb/in³ @Temperature 374 °F
	0.740 g/cc @Temperature 190 °C	0.0267 lb/in³ @Temperature 374 °F
Viscosity	8000 cP @Temperature 190 °C	8000 cP @Temperature 374 °F	Melt; ASTM D-3236
	8000 cP @Temperature 190 °C	8000 cP @Temperature 374 °F	Melt

Mechanical Properties	Metric	English	Comments
Tensile Strength	2.56 MPa	371 psi	ASTM D-638, D-412
	2.56 MPa	371 psi

Thermal Properties	Metric	English	Comments
Maximum Service Temperature, Air	139 °C	282 °F	Shear Adhesion Failure Temperature (SAFT), Kraft/Kraft; Huntsman Method
	139 °C	282 °F	Shear Adhesion Failure Temperature (SAFT), Kraft/Kraft; Huntsman Method
Glass Transition Temp, Tg	-20.0 °C	-4.00 °F	ASTM D-3418
	-20.0 °C	-4.00 °F
Flash Point	>= 235 °C	>= 455 °F	COC; ASTM D 93
	>= 235 °C	>= 455 °F	COC; ASTM D 93
Ring & Ball Softening Point	157 °C	315 °F	ASTM E 28
	157 °C	315 °F	ASTM E 28

Processing Properties	Metric	English	Comments
Pot Life	<= 0.0833 min	<= 0.0833 min	Open Time; ASTM D-4497
	<= 0.0833 min	<= 0.0833 min	Open Time, Kraft/Kraft; Huntsman Method

Compliance Properties	Metric	English	Comments
FDA	Yes	Yes
	Yes	Yes

Descriptive Properties
Needle Penetration (mm)	10		ASTM D 1321

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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