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Covestro Texin® 285 Thermoplastic Polyurethanes (TPU)
Categories: Polymer; Thermoplastic; Polyurethane, TP
Material Notes: Texin 285 resin is an aromatic polyester-based thermoplastic polyurethane with a Shore hardness of approximately 85A. It can be processed by injection molding, extrusion, and blow molding.

Properties / Applications: In addition to good clarity, Texin 285 resin offers outstanding abrasion resistance, impact strength, toughness, and exibility. Texin 285 natural color resin complies with FDA food-contact regulations 21 CFR 177.1680 (Polyurethane Resins) and 177.2600 (Rubber Articles Intended for Repeated Use), subject to the limitations of these and any other applicable regulations. Typical applications include belting, tubing, hose, cable jackets, hose jackets, seals, athletic soles, casters, mine screens, film, and extruded profiles. Texin 285 resin can also be used as a polymer modifier.

Information provided by Covestro
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Physical PropertiesOriginal ValueComments
Specific Gravity 1.20 g/ccASTM D792
Linear Mold Shrinkage, Flow 0.0080 cm/cm
@Thickness 2.54 mm		ASTM D955
Linear Mold Shrinkage, Transverse 0.0080 cm/cm
@Thickness 2.54 mm		ASTM D955
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore A 85ASTM D2240
Tensile Strength at Break 37.9 MPaASTM D412
Tensile Stress at Strain 5.00 MPa
@Strain 50 %		ASTM D412
 5.30 MPa
@Strain 100 %		ASTM D412
 13.1 MPa
@Strain 300 %		ASTM D412
Elongation at Break 500 %ASTM D412
Flexural Modulus 27.6 MPa
@Temperature 23.0 °C		ASTM D790
 49.6 MPa
@Temperature -30.0 °C		ASTM D790
Compressive Strength 0.300 MPa2% Deflection; ASTM D 575
 1.00 MPa5% Deflection; ASTM D 575
 2.20 MPa10% Deflection; ASTM D 575
 3.30 MPa15% Deflection; ASTM D 575
 4.30 MPa20% Deflection; ASTM D 575
 5.70 MPa25% Deflection; ASTM D 575
 15.0 MPa50% Deflection; ASTM D 575
Resilience 45[%], Bayshore; ASTM D2632
Tear Strength 87.6 kN/mDie C; ASTM D624
Taber Abrasion, mg/1000 Cycles 35
@Load 1.00 kg		[mg] Loss, H-18; ASTM D3489
Compression Set 12 %
@Temperature 23.0 °C,
Time 79200 sec		postcured; ASTM D395-B
 16 %
@Temperature 23.0 °C,
Time 79200 sec		as molded; ASTM D395-B
 35 %
@Temperature 70.0 °C,
Time 79200 sec		postcured; ASTM D395-B
 65 %
@Temperature 70.0 °C,
Time 79200 sec		as molded; ASTM D395-B
 
Thermal PropertiesOriginal ValueComments
Vicat Softening Point 91.0 °CRate A; ASTM D1525
Brittleness Temperature >= -68.0 °FASTM D746
Glass Transition Temp, Tg -42.0 °C
UL RTI, Electrical 50.0 °CUL 746B
UL RTI, Mechanical with Impact 50.0 °CUL 746B
UL RTI, Mechanical without Impact 50.0 °CUL 746B
Flammability, UL94 HB
@Thickness 1.50 mm
 V-2
@Thickness 3.00 mm
 
Processing PropertiesOriginal ValueComments
Rear Barrel Temperature 180 - 200 °CInjection
 180 - 200 °CExtrusion
Middle Barrel Temperature 180 - 205 °CInjection
 180 - 205 °CExtrusion
Front Barrel Temperature 180 - 210 °CInjection
 180 - 210 °CExtrusion
Nozzle Temperature 185 - 210 °CInjection
Adapter Temperature 180 - 210 °CExtrusion
Die Temperature 185 - 210 °CExtrusion
Melt Temperature 190 - 205 °CExtrusion
 195 - 205 °CInjection
Mold Temperature 15.0 - 40.0 °C
Injection Pressure 6000 - 15000 psiInjection
Back Pressure <= 200 psiInjection
Cushion <= 0.125 inInjection
 
Compliance PropertiesOriginal ValueComments
FDA Yes

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 go back to viewing the property data in MatWeb's normal format.

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PCOVEST0979 / 202762




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