NatureWorks® Ingeo™ 3251D Injection Grade PLA

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NatureWorks® Ingeo™ 3251D Injection Grade PLA
Categories:	Polymer; Renewable/Recycled Polymer; Thermoplastic; Polylactic Acid (PLA) Biopolymer
Material Notes:	IngeoTM Biopolymer 3251D is designed for injection molding applications. This polymer grade has a higher melt flow capability than other IngeoTM resins currently in the market place. The higher flow capability allows for easier molding of thin-walled parts. It is designed for injection molding applications, both clear and opaque, requiring high gloss, UV resistance and stiffness.
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Physical Properties	Metric	English	Comments

Specific Gravity	1.24 g/cc	1.24 g/cc	ASTM D792
Viscosity Measurement	2.5	2.5	Relative Viscosity
Linear Mold Shrinkage	0.003 - 0.005 cm/cm	0.003 - 0.005 in/in
Melt Flow	30 - 40 g/10 min @Load 2.16 kg, Temperature 190 °C	30 - 40 g/10 min @Load 4.76 lb, Temperature 374 °F	ASTM D1238
	70 - 85 g/10 min @Load 2.16 kg, Temperature 210 °C	70 - 85 g/10 min @Load 4.76 lb, Temperature 410 °F	ASTM D1238

Mechanical Properties	Metric	English	Comments
Tensile Strength, Yield	48.0 MPa	6960 psi	ASTM D638
Elongation at Break	2.5 %	2.5 %	ASTM D638
Flexural Strength	83.0 MPa	12000 psi	ASTM D790
Izod Impact, Notched	0.160 J/cm	0.300 ft-lb/in	ASTM D256

Thermal Properties	Metric	English	Comments
Melting Point	160 - 170 °C	320 - 338 °F	ASTM D3418
Glass Transition Temp, Tg	55.0 - 65.0 °C	131 - 149 °F	ASTM D3417

Optical Properties	Metric	English	Comments
Transmission, Visible	90 %	90 %	Thickness Unknown

Processing Properties	Metric	English	Comments
Feed Temperature	166 - 177 °C	331 - 351 °F
Nozzle Temperature	188 - 205 °C	370 - 401 °F
Melt Temperature	188 - 210 °C	370 - 410 °F
Mold Temperature	25.0 °C	77.0 °F
Back Pressure	0.345 - 0.689 MPa	50.0 - 100 psi
Screw Speed	100 - 200 rpm	100 - 200 rpm

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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PNATU83 / 103481

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