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Plastics & Elastomers
The material selection platform
Plastics & Elastomers
by SpecialChem
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Makroblend® UT4045 G

Technical Datasheet | Supplied by Covestro
Makroblend® UT4045 G by Covestro is a PC+PBT blend reinforced with 20% glass fiber. Exhibits good chemical resistance to many lubricants, solvents, fuel, oils, hand creams, solvents, sweat and cleaning agents, reduced susceptibility to stress cracking, paintability, high dimensional stability and low moisture uptake. Provides high toughness (even at low temperatures), good impact strength, high flow, easy mold release and high stiffness and rigidity. Makroblend® UT4045 G can be processed by injection molding.
Product Type
PC (Polycarbonate) > PC + PBT
Product Status
Applications/ Recommended for
Injection molding - thermoplastics

Makroblend® UT4045 G Properties

Mechanical Properties

Value & Unit
Test Condition
Test Method
Tensile Modulus
6500 MPa
ISO 527-2
Tensile Strain
3 %
(at Yield, 23°C)
ISO 527-2
Nominal Tensile Strain at Break
3 %
ISO 527-2

Makroblend® UT4045 G Processing Guidelines

Injection Molding Properties

Value & Unit
Test Condition
Test Method
Processing (Melt) Temp
260 °C
Mold Temperature
70 °C
Injection Velocity
200 mm/sec
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