IROGRAN® A 92 E 4246

Polyester-based Thermoplastic Polyurethane

Product Description:

IROGRAN® A 92 E 4246 is a polyester-based Thermoplastic Polyurethane (TPU) for injection molding applications. Key features are abrasion resistance, excellent wear performance, resistance to dynamic stress, short cycle times, robust processing and high melt stability.

MAIN APPLICATIONS:

Thick wall technical parts and thin wall technical parts.

Details

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

Properties	Key	NORM	Value	Unit
Hardness (after 3 sec.)	M	ISO 7619	92	Shore A
Hardness (after 3 sec.)	M	ISO 7619	44	Shore D
Density	M	ISO 1183-1	1,21	g/cm³
Tensile strength	M	DIN 53504	50	MPa
Elongation @ break	M	DIN 53504	610	%
Tensile stress @ 100% elongation	M	DIN 53504	7,2	MPa
Tensile stress @ 300% elongation	M	DIN 53504	15,0	MPa
Tear strength	M	ISO 34-1	90	N/mm
Abrasion	M	ISO 4649	25	mm³
Bayshore rebound resilience	M	ASTM D 2632	32	%
Compression set at 70h @ 23°C	M	ISO 815	25	%
Compression set at 24h @ 70°C	M	ISO 815	50	%
Mold shrinkage	M	ISO 294-4	0,9	%
Softening range low	E	Huntsman TMA	175	°C
Softening range high	E	Huntsman TMA	190	°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 [210°C / 21,6kg] ISO 1133-1 = 48 cm³/10min

Processing Parameter:	Injection Molding
Temperature Profile	°C
Feed Zone:	25 - 40
Barrel:	190 - 210
Nozzle:	200 - 215
Mold:	20 - 50

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