IROGRAN® A 78 E 4506

Polyester-based Thermoplastic Polyurethane

Product Description:

IROGRAN® A 78 E 4506 is a polyester-based Thermoplastic Polyurethane (TPU) for extrusion and injection molding applications. Key features are plasticizer-free, good oil and solvent resistance and resistance to dynamic stress.

MAIN APPLICATIONS:

Thick wall technical parts, thick wall extrusion profiles and pneumatic tubes.

Details

At Jan.2016: US / EAIME / APAC - / MTS / MTO finished 08.10.2016

Properties	Key	NORM	Value	Unit
Hardness (after 3 sec.)	M	ASTM D 2240	80	Shore A
Hardness (after 3 sec.)	M	ASTM D 2240	30	Shore D
Density	M	ASTM D 792	1.17	g/cm³
Tensile strength	M	ASTM D 412	5200	psi
Elongation @ break	M	ASTM D 412	450	%
Tensile stress @ 100% elongation	M	ASTM D 412	700	psi
Tensile stress @ 300% elongation	M	ASTM D 412	1230	psi
Tear strength	M	ASTM D 624	480	pli
Abrasion	M	ISO 4649	25	mm³
Bayshore rebound resilience	M	ASTM D 2632	48	%
Compression set at 70h @ 23°C	M	ASTM D 395	21	%
Compression set at 24h @ 70°C	M	ASTM D 395	36	%
Mold shrinkage	M	ASTM D 955	1.5	%
Softening range low	E	Huntsman TMA	175	°C
Softening range high	E	Huntsman TMA	185	°C

M = Injection moulded parts to meet DIN & ASTM requirements. Parts tempered for 20 hrs @ 100 °C 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 = 25 cm³/10min

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

View Pdf-File