IROGRAN® A 85 E 4607

Polyester-based Thermoplastic Polyurethane

Product Description:

IROGRAN® A 85 E 4607 is a polyester-based Thermoplastic Polyurethane (TPU) for extrusion and injection molding applications. Key features are good oil and solvent resistance, excellent wear performance, good low temperature performance, high elasticity, robust processing and high melt stability.

MAIN APPLICATIONS:

Thick wall technical parts, thick wall extrusion profiles and spiral hoses.

Details

At Jan.2016: US / EAIME / APAC finished 08.10.2016

Properties	Key	NORM	Value	Unit
Hardness (after 3 sec.)	M	ASTM D 2240	84	Shore A
Density	M	ASTM D 792	1.19	g/cm³
Tensile strength	E	ASTM D 412	7430	psi
Elongation @ break	E	ASTM D 412	610	%
Tensile stress @ 50% elongation	E	ASTM D 412	620	psi
Tensile stress @ 100% elongation	E	ASTM D 412	710	psi
Tensile stress @ 300% elongation	E	ASTM D 412	1690	psi
Tear strength	E	ASTM D 624	530	pli
Flexural modulus @ 23°C	M	ASTM D 790	3420	psi
Flexural modulus @ -29°C	M	ASTM D 790	8740	psi
Abrasion	M	ISO 4649	27	mm³
Taber abrasion H-18 wheel 1000g	M	ASTM D 3389	10	mg/1000 cycles
Bayshore rebound resilience	M	ASTM D 2632	50	%
Compression set at 22h @ 23°C	M	ASTM D 395	25	%
Compression set at 22h @ 70°C	M	ASTM D 395	72	%
Mold shrinkage	M	ASTM D 955	0.8	%
Softening range low	E	Huntsman TMA	161	°C
Softening range high	E	Huntsman TMA	190	°C
Glass transition temperature (DSC)	E	ASTM D 3418	-41	°C
Vicat softening point VST/A120	M	ASTM D 1525	83	°C

M = Injection molded parts to meet DIN & ASTM requirements. Parts at room temperature aged prior to testing.
E = Extruded film cut to ASTM requirements. Parts at room temperature aged prior to testing.

Processing Parameters

Melt Volume Rate [190°C / 21,6kg] ISO 1133-1 = 35 cm³/10min

Processing Parameter:	Extrusion
Temperature Profile	°C
Feed Zone:	25 - 40
Barrel:	165 - 190
Die Head:	175 - 200
Nozzle:	170 - 200

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