Lubrizol Isoplast® 301 Polyurethane (PUR-RT), Clear Amorphous Polymer

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Lubrizol Isoplast® 301 Polyurethane (PUR-RT), Clear Amorphous Polymer (Unverified Data**)
Categories:	Polymer; Thermoplastic; Polyurethane, TP
Material Notes:	ISOPLAST® 301 resin is a clear amorphous polymer with the chemical resistance of crystalline resins. Its outstanding properties include clarity, excellent chemical resistance and toughness. Data provided by Dow Chemical. Lubrizol acquired the Isoplast product line from Dow in 2009.
Key Words:	TPUR
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Physical Properties	Metric	English	Comments

Density	1.20 g/cc	0.0434 lb/in³	ASTM Data
Water Absorption	0.19 %	0.19 %
Linear Mold Shrinkage	0.0050 cm/cm	0.0050 in/in

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell R	123	123
Tensile Strength, Ultimate	62.1 MPa	9010 psi	ASTM Data
Tensile Strength, Yield	69.0 MPa	10000 psi	ASTM Data
Elongation at Break	140 %	140 %	ASTM Data
Elongation at Yield	5.1 %	5.1 %	ISO Data
Tensile Modulus	2.14 GPa	310 ksi	ASTM Data
Izod Impact, Notched	1.28 J/cm	2.40 ft-lb/in	ASTM Data
Charpy Impact Unnotched	NB	NB	ISO Data
	NB	NB	ISO Data, Low Temp
Charpy Impact, Notched	0.500 J/cm²	2.38 ft-lb/in²	ISO Data, Low Temp
	1.10 J/cm²	5.24 ft-lb/in²	ISO Data
Impact Test	90.4 J	66.7 ft-lb	Instrumented Dart Total Energy, 23°C. Value at -30°C is 90.4 J.

Thermal Properties	Metric	English	Comments
CTE, linear, Parallel to Flow	61.2 µm/m-°C @Temperature 20.0 °C	34.0 µin/in-°F @Temperature 68.0 °F	ASTM data
Deflection Temperature at 0.46 MPa (66 psi)	87.8 °C	190 °F	Unannealed; ASTM Data
	104 °C	219 °F	Annealed; ASTM Data
Deflection Temperature at 1.8 MPa (264 psi)	76.7 °C	170 °F	Unannealed; ASTM Data
	98.9 °C	210 °F	Annealed; ASTM Data
Vicat Softening Point	109 °C	228 °F

Optical Properties	Metric	English	Comments
Transmission, Visible	88 %	88 %

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PDW070 / 34301

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