Dow Isoplast® 151 Polyurethane (PUR-RT), Impact Modified

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Dow Isoplast® 151 Polyurethane (PUR-RT), Impact Modified (discontinued **)
Categories:	Polymer; Thermoplastic; Polyurethane, TP
Material Notes:	ISOPLAST® 151 resin is an impact modified amorphous polymer with the chemical resistance of crystalline resins. Its outstanding properties include excellent chemical resistance, high heat, low moisture sensitivity, toughness, and dimensional stability. Data provided by Dow Chemical.
Key Words:	TPUR
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Physical Properties	Original Value	Comments

Density	1.20 g/cc	ASTM Data
Water Absorption	0.17 %
Linear Mold Shrinkage	0.0050 cm/cm

Mechanical Properties	Original Value	Comments
Hardness, Rockwell R	120
Tensile Strength, Ultimate	48.3 MPa	ASTM Data
Tensile Strength, Yield	57.9 MPa	ASTM Data
Elongation at Break	120 %	ASTM Data
Elongation at Yield	6.5 %	ISO Data
Tensile Modulus	1.59 GPa	ASTM Data
Izod Impact, Notched	5.87 J/cm	ASTM Data
Charpy Impact Unnotched	NB	ISO Data
	NB	ISO Data, Low Temp
Charpy Impact, Notched	1.20 J/cm²	ISO Data, Low Temp
	6.70 J/cm²	ISO Data
Instrumented Impact Total Energy	67.8 J @Temperature -30.0 °C
	67.8 J @Temperature 23.0 °C

Thermal Properties	Original Value	Comments
CTE, linear, Parallel to Flow	77.0 µm/m-°C @Temperature 20.0 °C	ISO data
Deflection Temperature at 0.46 MPa (66 psi)	98.9 °C	Unannealed; ASTM Data
	110 °C	Annealed; ASTM Data
Deflection Temperature at 1.8 MPa (264 psi)	85.6 °C	Unannealed; 104°C (219°F) annealed; ASTM Data
Vicat Softening Point	117 °C

**
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PDW060 / 34291

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