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 and 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] ISO 1133-1 = 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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