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Specialty Compounds RTP Company

BiologiQ EcoStarch GS270 Thermoplastic Starch
Categories: Polymer; Renewable/Recycled Polymer; Thermoplastic

Material Notes: BiologiQ GS270 is a plasticized thermoplastic starch (TPS) called EcoStarch Resin (ESR). It is suitable for blending with petrochemical or bioresins where biobased content is desired. It Can be used as a stand alone polymer for certain low-temperature injection molding applications. It is highly compostable and biodegradable. It forms a crystalline structure product that has good strength and low plasticity. When GS270 absorbs moisture it exhibits plastic behavior and becomes flexible. When removed from humidity the material dries out and becomes crystalline again. Used for final products requiring plasticity such as plastic dinnerware, packaging. Blend with PE to make think film products like shopping bags.

Information provided by BiologiQ

Key Words: TPS, ESR, biopolymer, bioresin, biodegradeable
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Physical PropertiesMetricEnglishComments
Density 1.40 g/cc0.0506 lb/in³ASTM D792
Melt Flow 1.98 g/10 min
@Load 5.00 kg,
Temperature 200 °C
1.98 g/10 min
@Load 11.0 lb,
Temperature 392 °F
ASTM D1238
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength at Break >= 30.0 MPa>= 4350 psiASTM D638
Tensile Strength, Yield >= 30.0 MPa>= 4350 psiASTM D638
Elongation at Break <= 10 %<= 10 %ASTM D638
Tensile Modulus 1.50 GPa218 ksiASTM D638
Dart Drop Test 3500 g7.72 lbASTM D5628
 
Thermal PropertiesMetricEnglishComments
Melting Point 166 - 180 °C331 - 356 °FASTM D3418
Glass Transition Temp, Tg 81.0 - 100 °C178 - 212 °FASTM D3418
 
Processing PropertiesMetricEnglishComments
Drying Temperature 60.0 °C140 °F
Dry Time 1.00 - 4.00 hour1.00 - 4.00 hour
Moisture Content <= 1.0 %<= 1.0 %ASTM D6980

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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PBIOLQ01 / 176019

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