IROGRAN® A 85 P 4380

Polyether-based Thermoplastic Polyurethane

Product Description:

IROGRAN® A 85 P 4380 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, high melt stability and matte surface.

MAIN APPLICATIONS:

Thick wall technical parts, thick wall extrusion profiles and cable jacketing.

Details

17.12.2021FW change Abrasion from 35mm³ to 45mm³ finished 08.10.2016

Properties	Key	NORM	Value	Unit
Hardness (after 3 sec.)	M	ASTM D 2240	86	Shore A
Density	M	ASTM D 792	1.15	g/cm³
Tensile strength	E	ASTM D 412	4850	psi
Elongation @ break	E	ASTM D 412	550	%
Tensile stress @ 100% elongation	E	ASTM D 412	840	psi
Tensile stress @ 300% elongation	E	ASTM D 412	1470	psi
Tear strength	E	ASTM D 624	375	pli
Flexural modulus @ 23°C	M	ASTM D 790	9790	psi
Flexural modulus @ -29°C	M	ASTM D 790	24040	psi
Abrasion	M	ISO 4649	65	mm³
Bayshore rebound resilience	M	ASTM D 2632	45	%
Compression set at 22h @ 23°C	M	ASTM D 395	33	%
Compression set at 22h @ 70°C	M	ASTM D 395	71	%
Mold shrinkage	M	ASTM D 955	0.7	%
Softening range low	E	Huntsman TMA	170	°C
Softening range high	E	Huntsman TMA	191	°C
Glass transition temperature (DSC)	E	ASTM D 3418	-45	°C
Vicat softening point VST/A120	M	ASTM D 1525	77	°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

View Pdf-File