Lubrizol Advanced Materials PEARLBOND® 125/H Linear Thermoplastic Polyurethane

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Lubrizol Advanced Materials PEARLBOND® 125/H Linear Thermoplastic Polyurethane (discontinued **)
Categories:	Polymer; Thermoplastic; Polyurethane, TP
Material Notes:	Pearlbond™ 125H is polyester-based thermoplastic polyurethane, supplied in form of colourless, translucent granules, combining hardness with excellent low-temperature flexibility and a low softening point. Application: Pearlbond™ 125H can be used for making heat-sealable fabrics (thermobonding), obtained by coating processes such as scattering or dot-coating (powder or paste). In all cases, 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

Density	1.19 g/cc	ISO 2781
Viscosity	890000 cP @Temperature 160 °C	Melt viscosity @ 2.16 kg; ISO 1133
Melt Flow	35 - 55 g/10 min @Load 2.16 kg, Temperature 190 °C	ISO 1133

Mechanical Properties	Original Value	Comments
Hardness, Shore A	85	ISO 868
Tensile Strength at Break	18.0 MPa	ISO 527
Elongation at Break	520 %	ISO 527
100% Modulus	0.00400 GPa @Strain 100 %	ISO 527
300% Modulus	0.00700 GPa @Strain 300 %	ISO 527

Thermal Properties	Original Value	Comments
Melting Point	130 - 140 °C	MQSA 111
Softening Point	110 - 130 °C	MQSA 70A

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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