IROGRAN® A 92 E 4694

Polyester-based Thermoplastic Polyurethane

Product Description:

IROGRAN® A 92 E 4694 is a polyester-based Thermoplastic Polyurethane (TPU) for extrusion and injection molding applications. Key features are good oil and solvent resistance, excellent wear performance, good low temperature performance, resistance to dynamic stress, high elasticity, robust processing and high melt stability.

MAIN APPLICATIONS:

Thick wall technical parts, thin wall extrusion profiles and thick wall extrusion profiles.

Details

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

Properties	Key	NORM	Value	Unit
Hardness (after 3 sec.)	M	ASTM D 2240	92	Shore A
Hardness (after 3 sec.)	M	ASTM D 2240	50	Shore D
Density	M	ASTM D 792	1.21	g/cm³
Tensile strength	E	ASTM D 412	7770	psi
Elongation @ break	E	ASTM D 412	500	%
Tensile stress @ 100% elongation	E	ASTM D 412	1260	psi
Tensile stress @ 300% elongation	E	ASTM D 412	3430	psi
Tear strength	E	ASTM D 624	620	pli
Flexural modulus @ 23°C	M	ASTM D 790	8110	psi
Flexural modulus @ -29°C	M	ASTM D 790	37290	psi
Abrasion	M	ISO 4649	33	mm³
Taber abrasion H-18 wheel 1000g	M	ASTM D 3389	5	mg/1000 cycles
Bayshore rebound resilience	M	ASTM D 2632	34	%
Compression set at 22h @ 23°C	M	ASTM D 395	33	%
Compression set at 22h @ 70°C	M	ASTM D 395	79	%
Mold shrinkage	M	ASTM D 955	1.1	%
Softening range low	E	Huntsman TMA	179	°C
Softening range high	E	Huntsman TMA	192	°C
Glass transition temperature (DSC)	E	ASTM D 3418	-38	°C
Vicat softening point VST/A120	M	ASTM D 1525	111	°C

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 [210°C / 10kg] ISO 1133-1 = 57 cm³/10min

Processing Parameter:	Extrusion
Temperature Profile	°C
Feed Zone:	25 - 40
Barrel:	190 - 210
Die Head:	200 - 215
Nozzle:	190 - 210

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