Lubrizol Advanced Materials PEARLCOAT® 127K Thermoplastic Polyurethane Elastomer

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Lubrizol Advanced Materials PEARLCOAT® 127K Thermoplastic Polyurethane Elastomer
Categories:	Polymer; Thermoplastic; Polyurethane, TP; Thermoplastic Polyurethane (TPUR), Polyether Grade
Material Notes:	PEARLCOAT® 127K is a polyester based TPU, supplied in form of translucent, colorless pellets, combining hardness with excellent low-temperature flexibility and medium softening point. PEARLCOAT® 127K is used in melt coatings on textile substrates for conveyor belts, belting, among other end uses, obtained by extrusion, calendering or sintering (in this last case the product is previously ground, so as to be in powder form). 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

Mechanical Properties	Original Value	Comments
Hardness, Shore A	92	ASTM D2240
Tensile Strength, Yield	4360 psi	ASTM D412
Elongation at Break	430 %	ASTM D412
50% Modulus	8.00 MPa @Strain 50 %	ISO 527-2/5A/500
100% Modulus	1.162 ksi @Strain 100 %	ASTM D412
300% Modulus	2.325 ksi @Strain 300 %	ASTM D412
Tear Strength	93.0 kN/m	Unnicked; ISO 34-1B
Abrasion	30	Resistance (mm³); ISO 4649-A

Processing Properties	Original Value	Comments
Drying Temperature	90.0 °C
Dry Time	3.00 hour
Dew Point	<= -30.0 °C

Descriptive Properties
Roll 1	160°C
Roll 2	170°C
Rubber Roll 3	not heated

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PMES75 / 88452

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