Texin® RxS285

About
Texin RxS285 resin is an aromatic polyester-based thermoplastic polyurethane. It can be processed by injection molding, extrusion or blow molding.&&

Product Description
Supplier	Covestro
Generic	TPU-酯
Material Status	Commercial: Active
Features	Good flexibility,High impact resistance,Radiation disinfection,Good wear resistance,Ethylene oxide disinfection,Heat sterilization
Availabilitys	North America
Process Methods	Injection Molding

MECHANICAL	Nominal value	Unit	Test method
Shore hardness
Shaw’s A	85		ISO 868
Shaw’s A	85		ASTM D2240
Bending modulus
23℃	27.6	MPa	ASTM D790
23℃	27.6	MPa	ISO 178
Taber abraser
1000 cycles, 1000 g, H-18 wheels	35.0	mg	ISO 4649
1000 cycles, 1000 g, H-18 wheels	35.0	mg	ASTM D1044

elastic body	Nominal value	Unit	Test method
tensile strength
yield	37.9	MPa	ISO 37
yield	37.9	MPa	ASTM D412
300% strain	13.1	MPa	ASTM D412
300% strain	13.1	MPa	ISO 37
100% strain	5.34	MPa	ISO 37
100% strain	5.34	MPa	ASTM D412
Tensile strain
fracture	500	%	ASTM D412
fracture	500	%	ISO 37
tear strength	87.6	kN/m	ASTM D624
tear strength	88	kN/m	ISO 34-1
Compression deformation			ASTM D395B
23℃，22 hr	12	%	ASTM D395B
70℃，22 hr	35	%	ASTM D395B
Compression deformation			ISO 815
23℃，22 hr	12	%	ISO 815
70℃，22 hr	35	%	ISO 815

THERMAL	Nominal value	Unit	Test method
Vicat Softening Temp	91.0	℃	ASTM D1525 4
Vicat Softening Temp	91.0	℃	ISO 306/50

optical performance	Nominal value	Unit	Test method
Yellowness index
—	< 15	YI	DIN 6167
—	< 15	YI	ASTM E313

Process Conditions
injection	Nominal value	Unit	Test method
Extrusion	Nominal value	Unit	Test method
Drying temperature – hot air dryer	82 to 99	°C
Drying time – hot air dryer	2.0	hr
Recommended maximum moisture content	< 0.030	%
Barrel rear temperature	182 to 199	°C
Barrel middle temperature	182 to 204	°C
Barrel front temperature	182 to 210	°C
Nozzle temperature	188 to 213	°C
Processing (melt) temperature	196 to 207	°C
Mold temperature	16 to 43	°C
Injection pressure	41.4 to 103	MPa
Injection speed	Slow-Moderate
Back pressure	< 5.52	MPa
Screw speed	40 to 80	rpm
Cushion	< 3.18	mm
Drying temperature	82 to 99	°C
Drying time	2.0	hr
Barrel 1 zone temperature	182 to 199	°C
Barrel 2 zone temperature	182 to 204	°C
Barrel 3 zone temperature	182 to 210	°C
Melt temperature	375 to 400	°C
Nozzle temperature	188 to 210	°C

Notes
1. Typical properties: these are not to be construed as specifications.
2. Die C
3. Post-cured 16 hr at 230°F
4. Rate A (50°C/h)
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