Covestro Makrolon® KU 1-1248 Polycarbonate, High Impact

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Covestro Makrolon® KU 1-1248 Polycarbonate, High Impact (discontinued **)
Categories:	Polymer; Thermoplastic; Polycarbonate (PC); Polycarbonate, Impact Modified
Material Notes:	Medium viscosity BgVV and FDA - injection molding grade, impact modified, specially for chocolate molds, light colors only. Information provided by Bayer. As of 1 September 2015, Bayer MaterialScience was separated from Bayer AG and officially adopted its new name – Covestro.
Key Words:	PC
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Physical Properties	Metric	English	Comments

Density	1.20 g/cc	0.0434 lb/in³
Moisture Absorption at Equilibrium	0.15 %	0.15 %	50% RH
Water Absorption at Saturation	0.35 %	0.35 %
	0.35 %	0.35 %
Melt Flow	7.0 g/10 min @Load 1.20 kg, Temperature 300 °C	7.0 g/10 min @Load 2.65 lb, Temperature 572 °F

Mechanical Properties	Metric	English	Comments
Tensile Strength, Yield	60.0 MPa	8700 psi
Elongation at Break	>= 50 %	>= 50 %	Nominal
Elongation at Yield	6.0 %	6.0 %
Tensile Modulus	2.20 GPa	319 ksi
Charpy Impact Unnotched	NB	NB

Thermal Properties	Metric	English	Comments
Vicat Softening Point	145 °C	293 °F

**
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PBA467 / 26968

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