Lubrizol Advanced Materials PEARLCOAT® 168K Thermoplastic Polyurethane Elastomer

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Lubrizol Advanced Materials PEARLCOAT® 168K Thermoplastic Polyurethane Elastomer
Categories:	Polymer; Thermoplastic; Polyurethane, TP; Thermoplastic Polyurethane (TPUR), Polyether Grade
Material Notes:	PEARLCOAT® 168K is a polyether-based TPU, supplied in form of translucent, colorless pellets, offering adequate hardness, excellent low-temperature flexibility and very good hydrolysis resistance. PEARLCOAT® 168K is used in melt coatings on textile substrates, for end-uses in industrial coatings (for life-jackets, etc.) obtained by extrusion and calendering. All information provided by Merquinsa
Key Words:	TPU
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Physical Properties	Original Value	Comments

Specific Gravity	1.11 g/cc	ASTM D792

Mechanical Properties	Original Value	Comments
Hardness, Shore A	82	ASTM D2240
Tensile Strength, Yield	3630 psi	ASTM D412
Elongation at Break	650 %	ASTM D412
50% Modulus	4.00 MPa @Strain 50 %	ISO 527-2/5A/500
100% Modulus	0.725 ksi @Strain 100 %	ASTM D412
300% Modulus	1.09 ksi @Strain 300 %	ASTM D412
Tear Strength	430 pli	ASTM D624 (Die C)
Abrasion	25	Resistance (mm³); ISO 4649-A

Thermal Properties	Original Value	Comments
Vicat Softening Point	68.0 °C	ISO 306 (A50)

Processing Properties	Original Value	Comments
Zone 1	160 °C
Zone 2	170 °C
Zone 3	180 °C
Zone 4	185 °C
Adapter Temperature	185 °C	(5)
Die Temperature	185 °C	(6)
	185 °C	TIP (7)
Drying Temperature	90.0 °C
Dry Time	3.00 - 4.00 hour
Dew Point	-40.0 °C

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PMES68 / 88445

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