IROGRAN® A 92 K 4107

Polycaprolactone-based Thermoplastic Polyurethane

Product Description:

IROGRAN® A 92 K 4107 is a polycaprolactone-based Thermoplastic Polyurethane (TPU) for injection molding applications. Key features are good oil and solvent resistance, low compression set, excellent wear performance, resistance to dynamic stress and short cycle times.

MAIN APPLICATIONS:

Thick wall technical parts and seals and gaskets.

Details

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

Properties	Key	NORM	Value	Unit
Hardness (after 3 sec.)	M	ASTM D 2240	91	Shore A
Hardness (after 3 sec.)	M	ASTM D 2240	47	Shore D
Density	M	ASTM D 792	1.18	g/cm³
Tensile strength	M	ASTM D 412	5330	psi
Elongation @ break	M	ASTM D 412	540	%
Tensile stress @ 50% elongation	M	ASTM D 412	1000	psi
Tensile stress @ 100% elongation	M	ASTM D 412	1290	psi
Tensile stress @ 300% elongation	M	ASTM D 412	2290	psi
Tear strength	M	ASTM D 624	550	pli
Abrasion	M	ISO 4649	29	mm³
Bayshore rebound resilience	M	ASTM D 2632	43	%
Compression set at 22h @ 23°C	M	ASTM D 395	15	%
Compression set at 22h @ 70°C	M	ASTM D 395	26	%
Compression set at 22h @ 100°C	M	ASTM D 395	35	%
Compression set at 70h @ 100°C	M	ASTM D 395	40	%
Mold shrinkage	M	ASTM D 955	0.7	%
Softening range low	M	Huntsman TMA	194	°C
Softening range high	M	Huntsman TMA	205	°C
Glass transition temperature (DSC)	M	ASTM D 3418	-38	°C
Vicat softening point VST/A120	M	ASTM D 1525	155	°C

M = Injection molded parts to meet DIN & ASTM requirements. Parts tempered for 20 hrs @ 120 °C prior to testing

Processing Parameters

Melt Volume Rate [210°C / 21,6kg] ISO 1133-1 = 6 cm³/10min

Processing Parameter:	Injection Molding
Temperature Profile	°C
Feed Zone:	25 - 40
Barrel:	205 - 215
Nozzle:	210 - 220
Mold:	20 - 50

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