IROGRAN® A 85 P 4666

Polyether-based Thermoplastic Polyurethane

Product Description:

IROGRAN® A 85 P 4666 is a polyether-based Thermoplastic Polyurethane (TPU) for extrusion and injection molding applications. Key features are excellent hydrolysis and microbial resistance, good oil and solvent resistance, excellent wear performance, resistance to dynamic stress and a glossy surface.

MAIN APPLICATIONS:

Thin wall technical parts, thin wall extrusion profiles, spiral hoses and cable jacketing.

Details

At Jan.2016: US / EAIME / APAC - / MTS / MTO finished 09.10.2016

Properties	Key	NORM	Value	Unit
Hardness (after 3 sec.)	M	ASTM D 2240	84	Shore A
Hardness (after 3 sec.)	M	ASTM D 2240	31	Shore D
Density	M	ASTM D 792	1.15	g/cm³
Tensile strength	M	ASTM D 412	3200	psi
Elongation @ break	M	ASTM D 412	730	%
Tensile stress @ 100% elongation	M	ASTM D 412	890	psi
Tensile stress @ 300% elongation	M	ASTM D 412	1400	psi
Tear strength	M	ASTM D 624	450	pli
Abrasion	M	ISO 4649	45	mm³
Bayshore rebound resilience	M	ASTM D 2632	45	%
Compression set at 70h @ 23°C	M	ASTM D 395	25	%
Compression set at 24h @ 70°C	M	ASTM D 395	42	%
Mold shrinkage	M	ASTM D 955	0.9	%
Softening range low	E	Huntsman TMA	155	°C
Softening range high	E	Huntsman TMA	170	°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 = 55 cm³/10min

Processing Parameter:	Extrusion
Temperature Profile	°C
Feed Zone:	25 - 40
Barrel:	175 - 190
Die Head:	185 - 195
Nozzle:	170 - 180

The recommended electron beam dose is 150 kGr.

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