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Texin? RxT70A

Manufacturer: Covestro
Produced At: Europe / China
Product Category: TPU
Product No: Texin RxT70A
Product Quantity: 25KG / BAG
Product Features: Medical/Healthcare Applications

Product information

Texin? RxT70A

Thermoplastic Polyurethane Elastomer (Polyether)

Covestro - PUR

Product Description:

Texin RxT70A resin is an aromatic polyether-based thermoplastic polyurethane. It can be processed by injection molding or extrusion.

Features	Ethylene Oxide Sterilizable，Good Impact Resistance，Heat Sterilizable， High Moisture Vapor Transmission，Hydrolytically StableLow Temperature Flexibility， Radiation Sterilizable，Resilient
Uses	Connectors，F(xiàn)ilm，Gaskets，Medical/Healthcare Applications，Profiles，Seals，Tubing
Agency Ratings	ISO 10993-Part 1
Processing Method	Extrusion，Injection Molding

Physical	Nominal Value	Unit	Test Method
Density / Specific Gravity
--	1.07		ASTM D792
--	1.07	g/cm3	ISO 1183
Melt Mass-Flow Rate (MFR) (200°C/10.0 kg)	32	g/10 min	ASTM D1238, ISO 1133
Molding Shrinkage
Flow : 0.100 in	8.0E-3	in/in	ASTM D955
Across Flow : 0.100 in	8.0E-3	in/in	ASTM D955
Across Flow : 0.100 in	0.80	%	ISO 2577
Flow : 0.100 in	0.80	%	ISO 2577
Hardness	Nominal Value	Unit	Test Method
Durometer Hardness (Shore A)	70		ASTM D2240, ISO 868

Mechanical	Nominal Value	Unit	Test Method
Flexural Modulus (73°F)	2100	psi	ASTM D790, ISO 178
Taber Abrasion Resistance
1000 Cycles, 1000 g, H-18 Wheel	7.00	mg	ASTM D1044
1000 Cycles, 1000 g, H-18 Wheel	7.00	mg	ISO 4649
Elastomers	Nominal Value	Unit	Test Method
Tensile Stress			ASTM D412, ISO 37
100% Strain	493	psi
300% Strain	754	psi
Tensile Strength (Yield)	3700	psi	ASTM D412, ISO 37
Tensile Elongation (Break)	770	%	ASTM D412, ISO 37
Tear Strength
-- 2	345	lbf/in	ASTM D624
--	350	lbf/in	ISO 34-1
Compression Set 3			ASTM D395B, ISO 815
73°F, 22 hr	11	%
158°F, 22 hr	30	%

Thermal	Nominal Value	Unit	Test Method
Vicat Softening Temperature	167	°F	ISO 306/50, ASTM D1525 4

Optical	Nominal Value	Unit	Test Method
Yellowness Index
--	< 15	YI	ASTM E313
--	< 15	YI	DIN 6167

Injection	Nominal Value	Unit
Drying Temperature - Desiccant Dryer	180 to 199	°F
Drying Time - Desiccant Dryer	2.0	hr
Suggested Max Moisture	< 0.030	%
Rear Temperature	360 to 379	°F
Middle Temperature	370 to 390	°F
Front Temperature	370 to 390	°F
Nozzle Temperature	376 to 396	°F
Processing (Melt) Temp	370 to 390	°F
Mold Temperature	61 to 100	°F
Injection Pressure	6000 to 15000	psi
Injection Rate	Slow-Moderate
Back Pressure	< 200	psi
Screw Speed	40 to 80	rpm
Cushion	< 0.125	in
Injection Notes
Hold Pressure: 60 to 80% of Injection Pressure
Extrusion	Nominal Value	Unit
Drying Temperature	180 to 199	°F
Drying Time	2.0	hr
Cylinder Zone 1 Temp.	360 to 390	°F
Cylinder Zone 2 Temp.	360 to 399	°F
Cylinder Zone 3 Temp.	360 to 399	°F
Melt Temperature	376 to 399	°F
Die Temperature	370 to 399	°F

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Texin? RxT70A

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