IROGRAN® A 78 P 4766NM

Polyether-based Thermoplastic Polyurethane

Product Description:

IROGRAN® A 78 P 4766NM 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, good oil & solvent resistance, excellent surface definition, good low temperature performance and high elasticity.

MAIN APPLICATIONS:

Thin wall extrusion profiles and cable jacketing.

Details

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

Properties	Key	NORM	Value	Unit
Hardness (after 3 sec.)	M	ASTM D 2240	79	Shore A
Hardness (after 3 sec.)	M	ASTM D 2240	27	Shore D
Density	M	ASTM D 792	1.15	g/cm³
Tensile strength	E	ASTM D 412	5650	psi
Elongation @ break	E	ASTM D 412	610	%
Tensile stress @ 100% elongation	E	ASTM D 412	630	psi
Tensile stress @ 300% elongation	E	ASTM D 412	1100	psi
Tear strength	E	ASTM D 624	340	pli
Flexural modulus @ 23°C	M	ASTM D 790	2150	psi
Flexural modulus @ -29°C	M	ASTM D 790	3860	psi
Abrasion	M	ISO 4649	45	mm³
Bayshore rebound resilience	M	ASTM D 2632	51	%
Compression set at 22h @ 23°C	M	ASTM D 395	26	%
Compression set at 22h @ 70°C	M	ASTM D 395	80	%
Softening range low	E	Huntsman TMA	143	°C
Softening range high	E	Huntsman TMA	157	°C
Glass transition temperature (DSC)	E	ASTM D 3418	-41	°C
Vicat softening point VST/A120	M	ASTM D 1525	68	°C
Certificates			UL 94 - V0

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 / 10kg] ASTM 1238 = 40 cm³/10min

Processing Parameter:	Extrusion
Temperature Profile	°C
Feed Zone:	25 - 40
Barrel:	165 - 195
Die Head:	175 - 190
Nozzle:	170 - 185

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