IROGRAN® A 92 P 4851

Polyether-based Thermoplastic Polyurethane

Product Description:

IROGRAN® A 92 P 4851 is a polyether-based Thermoplastic Polyurethane (TPU) for extrusion and injection molding applications. Key features are excellent hydrolysis and microbial resistance, abrasion resistance, excellent wear performance, robust processing, high melt stability 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 finished 09.10.2016

Properties	Key	NORM	Value	Unit
Hardness (after 3 sec.)	M	ASTM D 2240	92	Shore A
Density	M	ASTM D 792	1.12	g/cm³
Tensile strength	E	ASTM D 412	6440	psi
Elongation @ break	E	ASTM D 412	500	%
Tensile stress @ 100% elongation	E	ASTM D 412	1290	psi
Tensile stress @ 300% elongation	E	ASTM D 412	2520	psi
Tear strength	E	ASTM D 624	580	pli
Flexural modulus @ 23°C	M	ASTM D 790	10010	psi
Flexural modulus @ -29°C	M	ASTM D 790	58450	psi
Abrasion	M	ISO 4649	54	mm³
Taber abrasion H-18 wheel 1000g	M	ASTM D 3389	85	mg/1000 cycles
Bayshore rebound resilience	M	ASTM D 2632	39	%
Compression set at 22h @ 23°C	M	ASTM D 395	22	%
Compression set at 22h @ 70°C	M	ASTM D 395	61	%
Mold shrinkage	M	ASTM D 955	0.8	%
Softening range low	E	Huntsman TMA	165	°C
Softening range high	E	Huntsman TMA	179	°C
Glass transition temperature (DSC)	E	ASTM D 3418	-40	°C
Vicat softening point VST/A120	M	ASTM D 1525	95	°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:	175 - 200
Nozzle:	170 - 200

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