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Elmet Technologies

Covestro Texin® 950LW Thermoplastic Polyurethanes (TPU)
Categories: Polymer; Thermoplastic; Polyurethane, TP
Material Notes: Characterization: Texin 950LW resin is an aromatic polyether-based thermoplastic polyurethane. It can be processed by injection molding, extrusion or blow molding.

Properties / Applications: Texin 950LW offers outstanding abrasion resistance, impact strength, toughness, and flexibility. It also exhibits excellent hydrolytic stability. Texin 950LW 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 gaskets, hose, tubing, shoe inserts, connectors, belting and miscellaneous molded articles. As with any product, use of Texin 950LW resin in a given application must be tested (including field testing, etc.) in advance by the user to determine suitability.

Information provided by Covestro
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Physical PropertiesMetricEnglishComments
Specific Gravity 1.15 g/cc1.15 g/ccASTM D792
Linear Mold Shrinkage, Flow 0.0080 cm/cm
@Thickness 2.54 mm		0.0080 in/in
@Thickness 0.100 in		ASTM D955
Linear Mold Shrinkage, Transverse 0.0080 cm/cm
@Thickness 2.54 mm		0.0080 in/in
@Thickness 0.100 in		ASTM D955
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore D 5050ASTM D2240
Tensile Strength at Break 49.7 MPa7210 psiASTM D412
Tensile Stress at Strain  14.5 MPa
@Strain 100 %		2100 psi
@Strain 100 %		ASTM D412
 30.3 MPa
@Strain 300 %		4390 psi
@Strain 300 %		ASTM D412
Elongation at Break 460 %460 %ASTM D412
Flexural Modulus 0.1138 GPa16.51 ksiASTM D790
Resilience 3535[%], Bayshore; ASTM D2632
Tear Strength 131.3 kN/m749.2 pliDie C; ASTM D624
Taber Abrasion, mg/1000 Cycles 75
@Load 1.00 kg		75
@Load 2.20 lb		[mg] Loss, H-18; ASTM D3489
Compression Set  15 %
@Temperature 23.0 °C,
Time 79200 sec		15 %
@Temperature 73.4 °F,
Time 22.0 hour		postcured; ASTM D395-B
 40 %
@Temperature 70.0 °C,
Time 79200 sec		40 %
@Temperature 158 °F,
Time 22.0 hour		postcured; ASTM D395-B
 
Thermal PropertiesMetricEnglishComments
Vicat Softening Point 128 °C262 °FRate A; ASTM D1525
 
Processing PropertiesMetricEnglishComments
Rear Barrel Temperature 196 - 207 °C385 - 405 °F
Middle Barrel Temperature 199 - 210 °C390 - 410 °F
Front Barrel Temperature 199 - 210 °C390 - 410 °F
Nozzle Temperature 202 - 213 °C396 - 415 °F
Melt Temperature 202 - 216 °C396 - 421 °F
Mold Temperature 15.0 - 40.0 °C59.0 - 104 °F
Injection Pressure 41.4 - 103 MPa6000 - 15000 psi
Back Pressure <= 1.52 MPa<= 220 psi
Cushion <= 0.317 cm<= 0.125 in
 
Compliance PropertiesMetricEnglishComments
FDA YesYes

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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PCOVEST0981 / 202764

Ensinger PEI




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