Covestro Texin® RxT85A Thermoplastic Polyurethanes (TPU)

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Covestro Texin® RxT85A Thermoplastic Polyurethanes (TPU)
Categories:	Polymer; Thermoplastic; Polyurethane, TP
Material Notes:	Characterization: Texin RxT85A resin is an aromatic polyether-based thermoplastic polyurethane. It can be processed by injection molding, extrusion or blow molding. Properties / Applications: Texin RxT85A offers outstanding abrasion resistance, impact strength, toughness and flexibility. It also exhibits excellent hydrolytic stability. Typical medical applications include anesthetic connectors, catheters, flexible tubing, film, seals and gaskets and extruded profiles. As with any product, the use of Texin RxT85A resin in a given application must be tested (including but not limited to field testing) in advance by the user to determine suitability. Information provided by Covestro
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Physical Properties	Original Value	Comments

Specific Gravity	1.12 g/cc	ASTM 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
Melt Flow	4.0 g/10 min @Load 8.70 kg, Temperature 190 °C	ASTM D1238

Mechanical Properties	Original Value	Comments
Hardness, Shore A	85	ASTM D2240
Tensile Strength at Break	36.6 MPa	ASTM D412
Tensile Stress at Strain	5.50 MPa @Strain 100 %	ASTM D412
	9.70 MPa @Strain 300 %	ASTM D412
Elongation at Break	610 %	ASTM D412
Flexural Modulus	26.9 MPa	ASTM D790
Tear Strength	87.6 kN/m	Die C; ASTM D624
Taber Abrasion, mg/1000 Cycles	30 @Load 1.00 kg	[mg] Loss, H-18; ASTM D3489
Compression Set	16 % @Temperature 23.0 °C, Time 79200 sec	postcured; ASTM D395-B
	40 % @Temperature 70.0 °C, Time 79200 sec	postcured; ASTM D395-B

Thermal Properties	Original Value	Comments
Vicat Softening Point	80.0 °C	Rate A; ASTM D1525

Optical Properties	Original Value	Comments
Yellow Index	<= 10 %	ASTM E313

Processing Properties	Original Value	Comments
Rear Barrel Temperature	182 - 193 °C	Extrusion
	193 - 204 °C	Injection
Middle Barrel Temperature	193 - 204 °C	Extrusion
	196 - 207 °C	Injection
Front Barrel Temperature	193 - 204 °C	Extrusion
	196 - 207 °C	Injection
Nozzle Temperature	199 - 210 °C	Injection
Die Temperature	193 - 210 °C	Extrusion
Melt Temperature	199 - 210 °C	Injection
	199 - 210 °C	Extrusion
Mold Temperature	16.0 - 38.0 °C	Injection
Injection Pressure	6000 - 15000 psi	Injection
Back Pressure	<= 800 psi	Injection
Cushion	<= 0.125 in	Injection

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PCOVEST0998 / 202781

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