IROGRAN® A 85 P 4350

Polyether-based Thermoplastic Polyurethane

Product Description:

IROGRAN® A 85 P 4350 is a high flame-retardant, halogen-free, 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 and high melt stability.

MAIN APPLICATIONS:

Thin wall extrusion profiles and cable jacketing.

Details

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

Properties	Key	NORM	Value	Unit
Hardness (after 3 sec.)	M	ASTM D 2240	86	Shore A
Hardness (after 3 sec.)	M	ASTM D 2240	38	Shore D
Density	M	ASTM D 792	1.14	g/cm³
Tensile strength	E	ASTM D 412	6030	psi
Elongation @ break	E	ASTM D 412	630	%
Tensile stress @ 100% elongation	E	ASTM D 412	460	psi
Tensile stress @ 300% elongation	E	ASTM D 412	1500	psi
Tear strength	E	ASTM D 624	360	pli
Flexural modulus @ 23°C	M	ASTM D 790	3790	psi
Flexural modulus @ -29°C	M	ASTM D 790	7810	psi
Abrasion	M	ISO 4649	40	mm³
Bayshore rebound resilience	M	ASTM D 2632	52	%
Compression set at 22h @ 23°C	M	ASTM D 395	28	%
Compression set at 22h @ 70°C	M	ASTM D 395	75	%
Mold shrinkage	M	ASTM D 955	1.0	%
Softening range low	E	Huntsman TMA	166	°C
Softening range high	E	Huntsman TMA	192	°C
Glass transition temperature (DSC)	E	ASTM D 3418	-48	°C
Vicat softening point VST/A120	M	ASTM D 1525	88	°C
Certificates			UL 94 - V2

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 = 50 cm³/10min

Processing Parameter:	Extrusion
Temperature Profile	°C
Feed Zone:	25 - 40
Barrel:	165 - 190
Die Head:	175 - 200
Nozzle:	170 - 200

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