IROGRAN® A 95 K 4977

Polycaprolactone-based Thermoplastic Polyurethane

Product Description:

IROGRAN® A 95 K 4977 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, durability, resistance to dynamic stress, short cycle times and high melt stability.

MAIN APPLICATIONS:

Thick wall technical parts, thin wall technical parts and seals and gaskets.

Details

At Jan.2016: US / EAIME / APAC MTO / MTS / MTS finished 09.10.2016 02.01.2019FW change the VicatA120 on EN-page from 170 to 160°C

Properties	Key	NORM	Value	Unit
Hardness (after 3 sec.)	M	ASTM D 2240	94	Shore A
Hardness (after 3 sec.)	M	ASTM D 2240	46	Shore D
Density	M	ASTM D 792	1.20	g/cm³
Tensile strength	M	ASTM D 412	5800	psi
Elongation @ break	M	ASTM D 412	510	%
Tensile stress @ 20% elongation	M	ASTM D 412	1380	psi
Tensile stress @ 50% elongation	M	ASTM D 412	1770	psi
Tensile stress @ 100% elongation	M	ASTM D 412	2000	psi
Tensile stress @ 300% elongation	M	ASTM D 412	3250	psi
Tear strength	M	ASTM D 624	760	pli
Abrasion	M	ISO 4649	30	mm³
Bayshore rebound resilience	M	ASTM D 2632	29	%
Compression set at 70h @ 23°C	M	ASTM D 395	15	%
Compression set at 22h @ 70°C	M	ASTM D 395	25	%
Compression set at 22h @ 100°C	M	ASTM D 395	30	%
Compression set at 70h @ 100°C	M	ASTM D 395	35	%
Mold shrinkage	M	ASTM D 955	1.3	%
Softening range low	E	Huntsman TMA	210	°C
Softening range high	E	Huntsman TMA	220	°C
Vicat softening point VST/A120	M	ASTM D 1525	170	°C

M = Injection molded parts to meet DIN & ASTM requirements. Parts tempered for 20 hrs @ 120 °C 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 / 21,6kg] ISO 1133-1 = 70 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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