Lubrizol Advanced Materials PEARLTHANE® 18VT80 Thermoplastic Polyurethane Elastomer

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Lubrizol Advanced Materials PEARLTHANE® 18VT80 Thermoplastic Polyurethane Elastomer (discontinued **)
Categories:	Polymer; Thermoplastic; Polyurethane, TP; Thermoplastic Polyurethane (TPUR), Polyester Grade
Material Notes:	PEARLTHANE® 18VT80 is a polyether based TPU, supplied in form of translucent, colorless pellets, combining hardness with excellent mechanical properties and superior hydrolysis and microbe resistance. PEARLTHANE® 18VT80 features a high moisture vapor transmission. PEARLTHANE® 18VT80 can be used for blown- and cast films for a wide variety of applications such as textile lamination. In addition, specific masterbatches for thin films are available. We strongly recommend the use of Pearlthane® MB52BK to ease the processing of this grade. All information provided by Merquinsa
Key Words:	TPU
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Physical Properties	Metric	English	Comments

Specific Gravity	1.20 g/cc	1.20 g/cc	ASTM D792
Water Vapor Transmission	8000 g/m²/day	515 g/100 in²/day	38%, 90%RH; DIN 53.122
Melt Flow	10 g/10 min @Load 21.6 kg	10 g/10 min @Load 47.6 lb

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	81	81	ASTM D2240
Tensile Strength, Yield	30.05 MPa	4359 psi	ASTM D412
Elongation at Break	670 %	670 %	ASTM D412
100% Modulus	5.01 MPa @Strain 100 %	726 psi @Strain 100 %	ASTM D412
300% Modulus	9.018 MPa @Strain 300 %	1308 psi @Strain 300 %	ASTM D412
Tear Strength	75.4 kN/m	430 pli	ASTM D624 (Die C)
Abrasion	44	44	loss (mm³); DIN 53.516

Thermal Properties	Metric	English	Comments
Melting Point	173 - 183 °C	343 - 361 °F	MQSA 111
Glass Transition Temp, Tg	-31.1 °C	-24.0 °F	DSC, 18ºF/min; DIN 51.007

**
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PMES58 / 88435

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