Lubrizol Advanced Materials Pearlbond® 12C75 Thermoplastic Polyurethane

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Lubrizol Advanced Materials Pearlbond® 12C75 Thermoplastic Polyurethane
Categories:	Polymer; Thermoplastic; Polyurethane, TP
Material Notes:	Pearlbond® 12C75 is polyester-based thermoplastic polyurethane, supplied in form of colourless, translucent granules, combining hardness with excellent low-temperature flexibility and a low softening point. APPLICATIONS: Pearlbond® 12C75 is mainly used for making heat-sealable fabrics (thermobonding), obtained by coating processes such as: Hot Melt Coating system: Rotogravure hot melt printing. The product is melted in an extruder and then pumped into a deposit in front of the engraved roller. Powder Coating system: Scattering or dot-coating (powder or paste). The product is previously ground into powder, by cryogenic grinding. The particle size of the powder will depend on the application technique to be used.
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Physical Properties	Original Value	Comments

Specific Gravity	1.19 g/cc	ISO 2781
Viscosity	1.05e+6 cP @Temperature 160 °C	Melt; ISO 1133
Melt Flow	15 - 40 g/10 min @Load 2.16 kg, Temperature 170 °C	ISO 1133

Mechanical Properties	Original Value	Comments
Hardness, Shore A	78	ISO 868
Tensile Strength at Break	24.0 MPa	ISO 527
Elongation at Break	650 %	ISO 527
100% Modulus	0.00400 GPa @Strain 100 %	ISO 527
300% Modulus	0.00500 GPa @Strain 300 %	ISO 527

Thermal Properties	Original Value	Comments
Melting Point	130 - 140 °C	MQSA 70 A
Softening Point	110 - 130 °C	MQSA 70 A

Processing Properties	Original Value	Comments
Zone 1	120 - 130 °C
Zone 2	130 - 140 °C
Zone 3	140 - 150 °C
Zone 4	145 - 155 °C
Die Temperature	145 - 155 °C

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PMEQU957 / 109194

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