Lubrizol Advanced Materials PEARLTHANE® 12K85A Thermoplastic Polyurethane Elastomer

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Lubrizol Advanced Materials PEARLTHANE® 12K85A Thermoplastic Polyurethane Elastomer (discontinued **)
Categories:	Polymer; Thermoplastic; Polyurethane, TP; Thermoplastic Polyurethane (TPUR), Polyester Grade
Material Notes:	PEARLTHANE® 12K85A is a standard polyester-based TPU, supplied in form of translucent, colourless or slightly yellowish pellets, combining hardness with excellent mechanical properties. It can be extruded. PEARLTHANE® 12K85A is used for the extrusion of films in general and especially adhesive films, either flat or blown films. All information provided by Merquinsa
Key Words:	TPU
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Physical Properties	Original Value	Comments

Specific Gravity	1.20 g/cc	ASTM D792
Melt Flow	10 g/10 min @Load 21.6 kg

Mechanical Properties	Original Value	Comments
Hardness, Shore A	85	ASTM D2240
Tensile Strength	4359 psi	ASTM D412
Elongation at Break	540 %	ASTM D412
100% Modulus	0.725 ksi @Strain 100 %	ASTM D412
300% Modulus	1.307 ksi @Strain 300 %	ASTM D412
Tear Strength	430 pli	ASTM D624 (Die C)
Abrasion	25	loss (mm³); DIN 53.516

Thermal Properties	Original Value	Comments
Melting Point	320 - 340 °F	MQSA 111
Glass Transition Temp, Tg	-22.0 °F	DSC, 10ºC/min; DIN 51.007

Processing Properties	Original Value	Comments
Zone 1	302 - 356 °F
Zone 2	320 - 374 °F
Zone 3	338 - 392 °F
Zone 4	347 - 410 °F
Die Temperature	347 - 392 °F
Moisture Content	<= 0.10 %	MQSA 44

**
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