IROGRAN® A 85 D 4968

Polyester-based Thermoplastic Polyurethane

Product Description:

IROGRAN® A 85 D 4968 is a polyester-based Thermoplastic Polyurethane (TPU) for extrusion and injection molding applications. Key features are plasticizer-free, hydrolytically stabilized, excellent wear performance, good low temperature performance and resistance to dynamic stress.

MAIN APPLICATIONS:

Thin wall extrusion profiles and spiral hoses.

Details

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

Properties	Key	NORM	Value	Unit
Hardness (after 3 sec.)	M	ISO 7619	86	Shore A
Hardness (after 3 sec.)	M	ISO 7619	35	Shore D
Density	M	ISO 1183-1	1,20	g/cm³
Tensile strength	M	DIN 53504	49	MPa
Elongation @ break	M	DIN 53504	620	%
Tensile stress @ 100% elongation	M	DIN 53504	6,5	MPa
Tensile stress @ 300% elongation	M	DIN 53504	16,1	MPa
Tear strength	M	ISO 34-1	95	N/mm
Abrasion	M	ISO 4649	25	mm³
Bayshore rebound resilience	M	ASTM D 2632	38	%
Compression set at 70h @ 23°C	M	ISO 815	21	%
Compression set at 24h @ 70°C	M	ISO 815	38	%
Mold shrinkage	M	ISO 294-4	1,1	%
Softening range low	E	Huntsman TMA	160	°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 = 30 cm³/10min

Processing Parameter:	Extrusion
Temperature Profile	°C
Feed Zone:	25 - 40
Barrel:	180 - 205
Die Head:	180 - 205
Nozzle:	185 - 205

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