Huntsman AVALON® 90 AK Thermoplastic Polyurethane

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Huntsman AVALON® 90 AK Thermoplastic Polyurethane
Categories:	Polymer; Thermoplastic; Polyurethane, TP; Thermoplastic Polyurethane (TPUR), Polyester Grade
Material Notes:	Introduction: AVALON 90 AK is a part of the AVALON Crystal Range and offers a specially designed, flexible material wit a higher degree of transparency compared with conventional TPU at the same hardness. AVALON Crystal materials are particularly suitable for the sporting goods and fashion markets. It is recommended that a suitable UV stabilizer be incorporated for most applications to prevent premature yellowing. The features offered include: Transparency Durability
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Physical Properties	Metric	English	Comments

Density	1.21 g/cc	0.0437 lb/in³	ISO 2781

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	90	90	ISO 868
Hardness, Shore D	44	44	ISO 868
Tensile Strength at Break	45.0 MPa	6530 psi	ISO 37
Elongation at Break	450 %	450 %	ISO 37
100% Modulus	8.00 MPa @Strain 100 %	1160 psi @Strain 100 %	ISO 37
300% Modulus	16.0 MPa @Strain 300 %	2320 psi @Strain 300 %	ISO 37
Tear Strength	110 kN/m	628 pli	ISO 34B
Abrasion	50	50	mm³; ISO 4649

Processing Properties	Metric	English	Comments
Feed Temperature	25.0 - 35.0 °C	77.0 - 95.0 °F
Rear Barrel Temperature	195 - 205 °C	383 - 401 °F
Middle Barrel Temperature	205 - 215 °C	401 - 419 °F
Front Barrel Temperature	210 - 220 °C	410 - 428 °F
Nozzle Temperature	205 - 215 °C	401 - 419 °F
Mold Temperature	25.0 - 50.0 °C	77.0 - 122 °F
Injection Pressure	2.00 - 10.0 MPa	290 - 1450 psi
Hold Pressure	1.00 - 5.00 MPa	145 - 725 psi
Back Pressure	0.0300 - 0.300 MPa	4.35 - 43.5 psi
Screw Speed	20 - 80 rpm	20 - 80 rpm

Descriptive Properties
Compression Ratio	2-3:1
L/D Ratio	20-25:1
Ross Flex	-10°C, BS 5131
Typical Screw Diameter	40-120 nm

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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PHUQ156 / 159529

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