IROGRAN® A 85 P 4441

Polyether-based Thermoplastic Polyurethane

Product Description:

IROGRAN® A 85 P 4441 is a polyether-based Thermoplastic Polyurethane (TPU) for extrusion and injection molding applications. Key features are excellent hydrolysis and microbial resistance, excellent wear performance, robust processing and matte surface.

MAIN APPLICATIONS:

Thick wall technical parts, thin wall extrusion profiles, thick wall extrusion profiles, cable jacketing and film and sheet.

Details

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

Properties	Key	NORM	Value	Unit
Hardness (after 3 sec.)	M	ISO 7619	87	Shore A
Hardness (after 3 sec.)	M	ISO 7619	38	Shore D
Density	M	ISO 1183-1	1,11	g/cm³
Tensile strength	M	DIN 53504	40	MPa
Elongation @ break	M	DIN 53504	650	%
Tensile stress @ 100% elongation	M	DIN 53504	7,3	MPa
Tensile stress @ 300% elongation	M	DIN 53504	11,0	MPa
Tear strength	M	ISO 34-1	60	N/mm
Abrasion	M	ISO 4649	35	mm³
Bayshore rebound resilience	M	ASTM D 2632	38	%
Compression set at 70h @ 23°C	M	ISO 815	24	%
Compression set at 24h @ 70°C	M	ISO 815	42	%
Mold shrinkage	M	ISO 294-4	0,8	%
Softening range low	E	Huntsman TMA	155	°C
Softening range high	E	Huntsman TMA	175	°C

M = Injection molded 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 = 65 cm³/10min

Processing Parameter:	Extrusion
Temperature Profile	°C
Feed Zone:	25 - 40
Barrel:	175 - 185
Die Head:	185 - 195
Nozzle:	170 - 200

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