IROGRAN® A 92 P 4637

Polyether-based Thermoplastic Polyurethane

Product Description:

IROGRAN® A 92 P 4637 is a polyether-based Thermoplastic Polyurethane (TPU) for extrusion and injection molding applications. Key features are excellent hydrolysis and microbial resistance, excellent wear performance, good low temperature performance, robust processing, high melt stability and a glossy surface.

MAIN APPLICATIONS:

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

Details

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

Properties	Key	NORM	Value	Unit
Hardness (after 3 sec.)	M	ASTM D 2240	91	Shore A
Hardness (after 3 sec.)	M	ASTM D 2240	45	Shore D
Density	M	ASTM D 792	1.14	g/cm³
Tensile strength	E	ASTM D 412	7100	psi
Elongation @ break	E	ASTM D 412	500	%
Tensile stress @ 100% elongation	E	ASTM D 412	1300	psi
Tensile stress @ 300% elongation	E	ASTM D 412	2860	psi
Tear strength	E	ASTM D 624	550	pli
Flexural modulus @ 23°C	M	ASTM D 790	6250	psi
Flexural modulus @ -29°C	M	ASTM D 790	49610	psi
Abrasion	M	ISO 4649	33	mm³
Taber abrasion H-18 wheel 1000g	M	ASTM D 3389	23	mg/1000 cycles
Bayshore rebound resilience	M	ASTM D 2632	35	%
Compression set at 22h @ 23°C	M	ASTM D 395	30	%
Compression set at 22h @ 70°C	M	ASTM D 395	83	%
Mold shrinkage	M	ASTM D 955	0.6	%
Softening range low	E	Huntsman TMA	167	°C
Softening range high	E	Huntsman TMA	181	°C
Glass transition temperature (DSC)	E	ASTM D 3418	-39	°C
Vicat softening point VST/A120	M	ASTM D 1525	97	°C

M = Injection molded parts to meet DIN & ASTM requirements. Parts at room temperature aged 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 - 195
Die Head:	185 - 200
Nozzle:	180 - 200

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