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	ISO 7619	77	Shore A
Hardness (after 3 sec.)	M	ISO 7619	27	Shore D
Density	M	ISO 1183-1	1,15	g/cm³
Tensile strength	M	DIN 53504	35	MPa
Elongation @ break	M	DIN 53504	710	%
Tensile stress @ 100% elongation	M	DIN 53504	4,3	MPa
Tensile stress @ 300% elongation	M	DIN 53504	8,0	MPa
Tear strength	M	ISO 34-1	42	N/mm
Abrasion	M	ISO 4649	40	mm³
Compression set at 70h @ 23°C	M	ISO 815	20	%
Compression set at 24h @ 70°C	M	ISO 815	42	%
Mold shrinkage	M	ISO 294-4	0,7	%
Softening range low	E	Huntsman TMA	140	°C
Softening range high	E	Huntsman TMA	155	°C
Certificates			UL 94 - V0

M = Injection molded parts to meet DIN & ASTM requirements. Parts tempered for 20 hrs @ 100 °C 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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